Perhaps the inspector would let you slide with videos and pics of when the walls were opened.

It feels like I should be able to use a couple amortization tables and keep track of each property separately in one excel sheet, but I'm not 100% sure how to set that up to be accurate.Thanks in advance for the insight!

The low-hanging fruit is gone, but if you're willing to work hard by getting off the beaten path and overturning a lot of rocks, you can be quite successful.And there are several resources - quite a few folks here on Bigger Pockets and the many specific BP posts and forums from those knowledgeable Investors & Owners, your State Self Storage Association, podcasts, You Tube Videos, and some of us even have written books and/or have meetings and trainings too.In other words, there's quite a bit at your disposal. 

You're in a small town, look into the social scene for small towns.To do this consider joining the Moose, the Elks, the Eagles, the Rotarian, the Free Masons, the Chamber of Commerce, etc...Figure out which ones are more business oriented vs blue collar--and mix and make friends....most are just drinking clubs so you have to be 21), be accepted and pay a yearly fee.https://www.dailymotion.com/video/x2hwqok

Obviously, you can mess around with your numbers in excel and see what you are comfortable with.

Ashley and Tony are excellent hosts and the guests are always informative.

I have excellent credit too!

It is in excellent condition and nicely maintained and landscaped. 

If you look at YouTube, Jerry Norton has a 10 minute video on ballpark estimating for wholesalers.

Excellent.