I do not understand why Bitcoin has not replaced the USD. 

If the location is an A but the tenant paying higher rent was a B or a C then replacing the location with an A tenant at slightly less rent in some cases you can actually increase the value.Example if you had an (A) location QSR but tenant was Burger King franchisee and they went out the Burger King might sell at 7 cap.

For replacement canoes that got damaged by straight line winds.

I use Executive Villas and they just charged me $500 to repair some table legs and replace the batteries on a remote.

Marketing material from commercial brokers in all 50 states, for all sorts of NNN, isn't useful, and you aren't going to really get insights until you narrow your focus a bit.Starbuck is a nice easy thing to watch b/c they are all over and, since Americans have largely replaced their trans fat addition (McDonalds, Burger King) with a sugary caffeine addition (Starbucks), it's likely going to do well for a few decades. 

You will require many properties to completely replace your income, which could become a new full-time job to manage.

Is this a diy-fix, professional fix, or a complete replacement? 

How do you replace the air filters?

Petrillo RI law is you have to replace with a septic.

. - We also have S8 tenants move because the owner won't agree to repaint, replace carpeting, etc. - that were new when the S8 tenant moved in 1-2 years ago.Another challenge of finding S8 tenants is many EXPECT you to waive application fees and security deposits.