Very simple stuff. Create business, build business, accept btc and buy your own service with your own btc. Pay the small amount of tax and you have clean money. One simple method of hundreds or thousands out there.
Lol it looks like you've experienced to eliminate the traces after carrying out illegal activities. indeed with bitcoin you can do the laundering of money, so that you will avoid taxes or else
It is not that easy, someone that look at the blockchain will see all the transactions come from the very same address and will realize that either someone is buying your service over and over again or you are the one doing it.