Need advice about investor circuits

I am a business owner from the last 5 years but I Didn’t able to connect with a trustworthy CA, Everyone is basically doing filing nothing else and I am seeking for the advices I never get from my surroundings.

Will you guys please suggest some videos or something where I can get the knowledge of investors circuit how I give them exit in the future If I get the pre seed funding from the angel and in the future I will get another round will I able to give the exit to the angel if he or she wanted to?

If I will get a good profit will I am able to use them without any interference and something?

What if business don’t workout?

Please guide me, I really need the answers before using other’s hard earn money and play on the CA knowledge only (I hope you understand my phase right now)