Is $80,000 too much?

You are correct. 26 two-week periods.

For the same $80K one might be able to build rent-by-the-month storage lockers. I've heard they are very low maintence and not as much hassle as living rental units. Since you aren't evicting someone from their living premises the eviction procedure is a bit easier. Something like you have to send a certified notice to their last known address and then wait a certain number of days before contents become your property.

One large one in Dickson justs put on a different lock and then twice a year holds a contents auction. Usually pull out the nicer items and then whatever is left at one price. Apparently few of the latter actually completely clean one out, just sorting through the residue and then leaving everything else. My observation is if there is anything particularly of value in it the folks would have paid back rent and then terminated lease.