And their tax advantages go away when you decide to quit and spend the money.

But MANY/maybe most people don’t know you need to spend that $10-15k on top of the solar.

Also, starting my journey in real state investment made change my mindset and since last year I have been more disciplined on my finances and I have been taking better decision on how I spend my money. 

You're asking someone to spend a lot of time and energy to share what they've spent years - maybe decades - learning and developing.

I would prefer to pay the capital gains today as based on how we spend money as a country, that capital gains rate most likely is going to be heading up in the future not down.

Yes starting out there is a low dollar per hour but at some point it needs to be worth the while - as you could be spending that time doing something more profitable.Not saying to give up by any stretch just saying make sure to re evaluate consistently to put the best strategy together

I am not a huge fan of buying a new car because of the value it loses but I agree with you, you are making money to spend it on something. 

If you don’t qualify as a real estate professional or don’t have a way to use those passive losses to offset your active income, then spending the money on the study might not be worth it.

Spend your time learning your market and learning to market. 

How much $ do you want to spend?