At about this point the tax agency would jump in and force you to pay tax and register as a merchant and your total would jump to $-200, if you lived in Finland.
Haha, seriously, I'm not sure what the limits are, but basically you're not supposed to do what you are doing here, without paying tax.
Flea-Bay reports to the IRS, so basically, you have to report it as income from a business if profit is over $500.
It's not wealth easily there! More like wealth difficulty.
Well, easy is subjective :) I think investing is easy, but you can't half-ass it or it won't work