However, none of these incidents has caused my rentals to be unprofitable because I use real world expense numbers and these incidents are a normal and completely routine part of the business.

He is also likely to have a better maintenance routine that reduces the typical costs because of being a head of the curve or using different materials.

If you own 100, these are just routine items.There are $80K deals for $1300 a month.

But large account to account wire transfers are routine.

Your net sale price will be your gross sale price of $450,000 less your routine selling expenses such as your broker's commission, title insurance costs, escrow or attorney closing fees, recording fees, 1031 Exchange fee, etc. 

You can routinely find 45-60k property’s that rent for 800-900.A couple weeks ago I needed to appeal property taxes.

Apparently this is their routine practice with mortgages for rental properties. 

Or is this whole thing easily (if expensively) addressed through routine application of sealers?

Choose providers who routinely practice in your municipality. 

There’s an interesting investigation against the company that claims BOA significantly overcharges homeowners for routine home-purchase appraisals.