Over the years the business of Bitcoin investment has proven through some persons to be very lucrative
BTC is not a 'business' in itself or in the way you take it, BTC is a p2p electronic cash that is decentralized, permissionless and censorship resistant.
produce good decisions which in turn gives good results
Moving on, also have in mind that it is safer not to dive in on your own
Get a coach or mentor or whatever you want to call it
Get someone experienced, someone whose experience can be seen in how much success he has had in the biz
You don't need a mentor or any 'expert' to understand or use BTC, this is a trustless network and if you tell people to have mentors, they could mistake it that they should trust certain people who call themselves 'experts', and this could make newbies expose their seed phrase to such people and lose their funds. You can learn everything on your own, through forums like this one, books like 'Mastering Bitcoin', online searches and recommended articles.