Heck, I had a pool replastered for $3,700 including chemicals/setup. 

The remaining “residual” cost is then assigned to the building itself.

Long term financing ensures solid, residual net-profit income without being a landlord How did you find this deal and how did you negotiate it?

Windows are expensive to replace.4) Glue Residues - Lease is very specific for no double-side tape or adhesive (ie 3M pull tabs ok, but not double sided tape.)

Even large and small businesses with intangible residual services like TV, internet, security, pest control or the local contractor with remodels in process could fall behind on payments revenue contract. 

There are a variety of ways to deal with this "residual" acreage.

There can also be chemicals in the treated lumber that are harmful to the environment.Invest in a good screen or built in door system.  

Upon move-in, appliances, cabinets, floors and walls all had built-up grime and residue from your habitation of the home.Infestation of bugs, pests and rodents-There was no attempt to treat the house for pests, as evidenced by the more than 15 spiders we have already seen in the basement, and the live, active wasp nest in the patio fence.Floors, stairways and railings in poor condition-The carpets are stained and smelly.

There are tests you can buy on Amazon, where you can swipe it on the walls to determine residue.

If you've already reached that end - ie if $4 million is enough principal to create residual income that you won't outlive - then I don't see any good reason to be buying out-of-town properties that then have to be managed properly to preserve your investment.