Title companies usually offer this type of advice at no cost in the hopes that you will close with them.

I usually get 200 or more quick responses.

This first one provides a learning springboard, usually not a financial one.   

I have an old building no central air but I do provide window AC units, I usually install them for them and take them for the winter time.

How much is that usually? 

My sale price quote (high end of retail values) to them is on day one of their rental and I usually stick with that.

Stay laser focused on the best deal available right now ( or continue to save - patience is usually rewarded in the real estate game and haste can be punished severely).1031 is for investment. 

Not usually because turnkey, by definition, has no value add.

My agent told me 2 bed 2 bath usually generate $1,000 rent, and 3 bed 2 bath 1500 sq generate $1,500 rent.

The note is usually just one page, but if the collateral is a lien on the property, probably a professional should do that.