Has anyone used one to "store" some excess capital gains to defer Taxes?  

There is one book for 49 states and a separate book for California.You can store the deposit in an interest-bearing account or in a non-interest-bearing account.

You need to store info, collect rent and keep all correspondence in one place.   

And you have to pay the sheriff to store the tenant's crap if they leave it behind on eviction day. 

The stores make a ton of money selling the upgrade.

. -30k yr appreciation at (3%)-30k princ paydown yr1, increasing each year after..Cons:- 17 more self managed tenants with more problems than my current 19 freshly renovated homes- All properties need reno- Properties are priced at value, not below value therefore I can't recoup renovation costs from finance out after value add.          

You can create separate notes for different types of tasks or routines, and it’s all stored online, so you can access it from anywhere.

section=535.300Below is excerpt from the internet on my state laws:#4 How must Missouri landlords store their tenants' deposits?

Decent grocery store and general shopping, not way out in a rural setting. 

It's just another thing to store in my brain and remember to do.