I already run up expenses for my trading income on a credit card because Im responsible and its helpful when building credit, Im also on my families card or something of that nature, but at my age I am not entirely sure what the best course of action for credit building is any tips would be very helpful!

When they ask the nature of my business, do I advise that I'm a real estate investor?

Amazing beaches, food, nature, culture, etc.

Just a nature of the game. 

What ROI do you need to justify the liability and active nature of owning a rental property?

As far as ethically that is part of my nature and I don't care for the aggressive (potentially predatory) strategies discussed by others, but I see value in offering a transparent and convenient service with lower costs and faster turnarounds than traditional MLS transactions. 

I'm particularly passionate about rental, fix-and-flip family and multi-unitsOutside of real estate, I enjoy nature photography.

Mice are filthy and when their fecal matter dries up it becomes airborne because it's powder and it's full of diseases and it's hard to see visually when it dries up.

That will dramatically change the nature of the wholesaling business with the legal compliance factor that agents need to comply with.

For instance, things like death, divorce, job loss, natural disasters, heath issues, etc may cause you to change your plans unexpectedly and may change what you do with your home as a result.