You can do that whenever you want. You own your own labor and you can sell it to whomever you choose. You could even find other individuals and jointly form a collective singular entity (ie, incorporate) if you don't want to go it alone. If you're successful you could even hire other employees to work for your organization assuming they could use the company and don't want to similarly go it alone. Historically speaking the upsides of doing this are astronomical, but there is the chance it might not work out and you'll lose any investments you made into the venture. Unfortunately there will always be some that want to blame all of society's problems on you for even doing this. They'll make ridiculous statements about making capital their bitch online, but they're mostly harmless until they take control, purge anyone (including their friends) they don't like, and starve themselves do death.