Must-Read for the 5060 FIRE Tribe: How to Avoid Health Insurance Premium Bombs and Build a Fortune with Nasdaq

1. The Magic of Compound Interest: Building a Fortune with Small Amounts

The only and most powerful weapon for an ordinary middle-class individual to build a large fortune with a small amount of money is 'time' and 'long-term investment'.
In the compound interest formula, it is realistically impossible to infinitely increase the principal or achieve divine returns like 50% to 100% per year. There are many novice investors who shed tears of blood after getting trapped in coins or junk stocks while recklessly chasing high returns.
Therefore, do not ignore even 300,000 won or 500,000 won a month as being too small, and you must choose long-term investment by steadily burying it for more than 10 years in the [Nasdaq 100 Index], which gathers America's top 100 blue-chip innovative companies.

2. [Tax Saving Priority 1] How to Utilize ISA and Pension Savings Accounts

If you have set your investment inclination and mindset, the very first place (Priority 1) you should open and fill up in practice is the ISA (Individual Savings Account) and Pension Savings/IRP, which are legal tax-saving accounts.
The ISA account provides tax-free benefits on profits up to 2 million won for the general type and 4 million won for the working-class type, provided you fulfill the 3-year mandatory retention period. If you repeat the method of realizing profits and terminating the account every 3 years, and then opening a new one on the exact same day to start another 3 years, 3 to 4 times, you can enjoy a massive compound interest effect 10 years later.
One thing to be careful of is that you cannot directly buy real ETFs listed in the US (e.g., QQQ) in these domestic tax-saving accounts. Instead, you can buy and accumulate domestically listed US Nasdaq 100 ETFs (products with Tiger, Kodex, Ace, etc., attached in front of their names) that domestic asset management companies have listed on the Korean stock market. By using a tax-saving account, even profits exceeding the tax-free limit are settled with a 9.9% low-rate separate taxation, which is lower than the general tax rate (15.4%). The biggest advantage is that the money earned in this account is completely excluded from the criteria for calculating comprehensive financial income taxation or health insurance premiums, making it the best shield for the 5060 generation.

3. [Health Insurance Premium Defense] Why 'Direct US Investment' is the Absolute Answer for Large Sums

If you have a considerable amount of investment capital or already have a high interest and dividend income, leading to worries about health insurance premium bombs and losing your dependent status, you must unconditionally invest directly in the US market with the remaining large sum after filling up your tax-saving account limits.
If you buy domestically listed US ETFs in a general brokerage account and make a profit, the government considers this as dividend income. The moment this dividend income combined with bank interest exceeds 20 million won a year, you become subject to comprehensive financial income taxation, and your income information is transferred to the National Health Insurance Service, resulting in the disqualification of your dependent status. Consequently, you will be converted to a local subscriber, your house and assets will be scored, and you will receive a monthly health insurance premium bill of hundreds of thousands of won.
On the other hand, profits generated by directly buying Nasdaq ETFs (e.g., QQQ) in the US market are classified as capital gains, not dividend income. Capital gains tax is free up to a basic deduction of 2.5 million won a year, and only the excess profit is settled with a 22% separate classification taxation.
Although 22% may seem expensive, capital gains earned through direct investment are not aggregated into global income no matter how large the amount is, and in particular, they are treated as invisible because the amount is not reflected at all when calculating health insurance premiums. Therefore, it is the only escape route through which you can roll a large sum of money without worrying about health insurance premium increases or losing dependent status.
However, if the amount of capital gains obtained through direct US investment exceeds 1 million won annually, you will be disqualified from the personal deduction for dependents during your children's year-end tax settlement, so it is recommended to discuss this part with your children in advance.

4. How to Start Direct US Stock Investment (QQQ)

Direct US investment is not difficult at all and is exactly the same as buying domestic stocks.

You can press 'Apply for Overseas Stock Trading' in your brokerage app, exchange the Korean Won in your account into US Dollars, and then search for and purchase the QQQ ETF, which tracks the Nasdaq 100, during the hours the US stock market is open (after 10:30 PM based on daylight saving time).
If exchanging currency every time is cumbersome, you can apply for the 'Integrated Margin Service' in your brokerage app. You can buy US stocks directly with Korean Won without the currency exchange process, and the necessary amount will be automatically exchanged the next day to finalize the settlement.

5. [Winning Strategy] The 'Reservoir Investment Method' That Turns Crashes into Festivals

The Reservoir Investment Method is an investment skill that safely locks up bank deposits or brokerage account cash balances like a 'reservoir' and responds with thorough psychological warfare.

Normal Times (When the stock market is peaceful): Just as water trickles out of a reservoir, you set a date every month and utilize automatic transfers to steadily buy and accumulate a certain amount of Nasdaq 100 in an installment-type manner.
Market Crashes (When crisis and fear arrive): When the media makes a fuss about a 'stock market crash' and 'economic crisis', general investors get paralyzed by fear, cut their losses, and run away; however, this is precisely the timing to open the floodgates of the reservoir wide. You aggressively draw in the cash balance you usually saved up and invest a massive additional amount into the crashed Nasdaq market.
America's global number one innovative companies (Apple, Microsoft, etc.) do not perish overnight. A stock market crash is the best bargain sale period when you can sweep up luxury stocks at dirt-cheap prices that you couldn't buy normally because they were expensive.
While others are crying waiting for their principal to recover, a person who bought stocks in chunks at the bottom using the reservoir investment method will experience the miracle of their entire portfolio yield doubling or tripling when the market rebounds back to its original place. The core is a contrarian strategy that turns a crisis into the best opportunity and responds mechanically.

Original Source
나스닥100 이렇게만 투자하면 노후에 돈 걱정 안해도 됩니다

[Top Priority Tasks]

Controlling the Fear of Principal Loss
Set it as the top priority to anticipate and control the psychological shock that can come when the numbers in the account are printed as minus. Build a mechanical attitude that does not swing between joy and sorrow based on market volatility.
Mindset Shift to Take Time as an Ally
Face the fact that 'time' is the only weapon that can grow assets with a small principal. Establish a shift in perspective to treat stocks not as speculation aiming for short-term returns, but as a concept of long-term savings looking ahead more than 10 years.

[Account Opening & Tax Saving Strategy]

Opening an ISA Account & Purchasing Domestically Listed Nasdaq ETFs
Immediately open an additional ISA (Individual Savings Account) to maximize the tax benefits provided by the government. Give top priority to purchasing and accumulating domestically listed Nasdaq 100 ETFs within this account to enjoy tax-free benefits and low-rate separate taxation.
Establishing a 3-Year Cycle Re-opening Strategy
Thoroughly plan a long-term cycle strategy where, as soon as the 3-year mandatory retention period of the ISA account arrives, you immediately realize profits, terminate it, and open a new ISA account on the same day to reset the tax-free limit.

[Specific Practical Methods (Reservoir Investment Method)]

Normal Times: Mechanical Automatic Transfer Based on Payday
Set up a system so that a certain amount (e.g., 300,000 won to 500,000 won), excluding minimum living expenses, is automatically purchased into domestically listed Nasdaq 100 ETFs in line with the monthly salary date. Focus only on increasing the quantity mechanically without checking the stock price.
Emergencies: Managing the Cash Reservoir and Responding to Crashes
Do not push 100% of your assets into stocks, and always leave a certain percentage of cash (deposit) in the 'reservoir'. When crisis theories are rampant in the market and a crash occurs, instead of getting swept up in the commotion and cutting losses, mechanically execute a contrarian purchase plan to open the floodgates of the reservoir and inject additional cash.

[3-Line Code of Conduct]

Prioritize Tax-Saving Accounts: Stop leaving general accounts unattended, open an ISA account immediately, and start with domestically listed Nasdaq ETFs.
Automated System: To exclude emotions, set up automatic purchases to occur mechanically on a designated date every month.
Maintain Cash Proportion: Always maintain a certain level of a cash balance reservoir so that you can utilize stock market crashes as bargain sale opportunities.