In California I'm required to store their stuff for a certain period of time.

Found some recommendation from a friend about reedyandcompany.com real estate company selling some of their short term rental and wondering if it's worth considering the deal?

There is no perfect data source maybe short of the uber expensive Lexus-Nexus that attorneys use that is direct to the credit bearus.

The payback period on a system installed on a residence, with(!)

8% upfront with no additional charges - in what time period?  

Namely, you must be able to show that all of the following are true:you are married and file a joint return for the yeareither you or your spouse meets the ownership testboth you and your spouse meet the use test, andduring the 2-year period ending on the date of the sale, neither you or your spouse excluded gain from the sale of another home.If either spouse does not satisfy all these requirements, the exclusion is figured separately for each spouse as if they were not married.

One advantage of having the smaller properties and diversifying your inventory is that you will even out your cash flow over the months. larger properties tend to do very well over a more limited time period, while the smaller ones are more spread out.

Hey Laurens, The short answer is that will drastically vary from builder to builder and it will. 

I'm about to buy a 3-bedroom, 2-bathroom  in Locust Lake Village for short-term rentals (Airbnb).

Wealth in real estate is built on appreciation over a long period of time (e.g many investors in Bay Area and LA) but on BP and social media, cash flow is constantly pushed in inexpensive locations which likely won't appreciate enough to make up for all the costs.