If you are not blacklisted I will give you one invite.

If someone can't afford to pay for a licensed Windows, then he/she probably doesn't have very important things in the computer too.
To Windows fans or anyone else that can't afford a paid Windows and a paid AV, I would recommend to make full backups, periodically.

5. good for developers
I bet this category is already using Linux, and even on Windows won't get any ransomware infection either.

The only way to turn $50 into $5K in few days is to gamble at Black Jack, Sport Bets, Dice.
Note/Warning: Your chances are not good since you need to make 100 x your initial buy-in.

If the country you live in have a regulated environment for cryptocurrencies and the law is explicit about the tax on your crypto profits, then it should be easy enough to calculate it. You need calculate the difference between Deposit and Withdrawals from/to your bank account and Coinbase, then apply the tax percentage to that and you should be fine.

For your example: If you buy Bitcoin with $1000 (0.12 BTC) then you trade here and there and make 1 BTC, and after 2 months you decide to withdraw $1500 (0.2 BTC) from Coinbase to your account, then you must pay tax on $500 to your local authorities. If you keep the remaining 0.8 BTC on your personal bitcoin wallet you don't have to pay any tax on it. Is more like you deposit $200 to an online casino and win $600, but you don't withdraw anything from the casino, you don't pay taxes for your winning unless you decide to withdraw the money.

Note:
- this is the procedure in my country.
- I use Kraken for depsits and withdrawals.