<prompt> Human: Hi,Im a first time poster on here.I have finished selling most of my assets in a game for over 100k. Im 14 and have been heavily invested into BTC. Im looking on advice from the wise on what to do with this money and how to properly invest it into the future.  <response>: First, you need to file taxes.A minor who works and earns more than the standard personal exemption around 4k has to file a tax return, according to IRS Publication 929. 