As you gain more experience they may let you only put 10% down. 

First thing is gaining knowledge and experience in the asset class you'll be purchasing.

There is definitely going to be higher interest rates in the future and at some point the lines will cross between your lower rate due to a future higher score and higher rates due to fed movements.Approx. 640, but I could easily get it to 720 if I paid down my credit cards, but I intentionally haven’t been as I’ve been using that money to invest (which was a good idea as I have had 600% gains this year).

This may or may not impact rental returns, but I assume it will limit equity gains in the future.  

You need to be prepared for this as you gain more and more success.  

Obviously, only makes sense to defer gains under 1031 if someone has more than the $500k capital gains that a married couple could already exclude.

Rehab Construction:R-19 or higher wall insulation (except for in the Deep South)Insulated sheathing or right foam boardIf the walls aren’t T-19, HVAC should be SEER 14 (at least) and 95% AFUENew Construction:R-19 or higher wall insulation.High quality windows such as Energy Star, U-values (in the North), and Solar Heat Gain Coefficients (in the South)Who can claim the tax credit?

I was looking to partner up for my first deal or two in order to gain expertise aswell as have an experienced investor bring funding to the table.Please feel free to reach out and at least inquire!

Should It be sold to gain multiple more rental properties in nicer areas better in every aspect?

Can anyone confirm definitively what the calculation is for determining the federal capital gains tax on the sale of a long-term asset (rental property) for someone in the 15% capital tax bracket?