Depending on location they can cost a lot to replace but when you factor in what you save from paying sewer bills it’s cheaper in long run.It would not stop me from buying a house

It has separate power (zoned commercial) and the rate I pay is cheaper than the main house. 

This will further hurt the "small guy", cheaper houses and units that already have to constantly compete on price. 

A simple classroom course or a book is a lot cheaper and more effective than a lesson of hard knocks after you've bought the wrong property at the wrong price in the wrong area.

Wouldn’t that be sweet for stocks in a taxable account?  

Your target, from what you wrote, would be cheaper renters looking for a value stay that is clean, but unspectacular.If you market is saturated, you will keep going lower and lower in the algorithm which will indirectly restrict booking.

The cheaper rentals (eg <$1000/month) may need a fixed cost rather than a percentage of the rent-ie $100 a month or 8% which ever is more. 

First, we have to assume that you will have a significant taxable capital gain and will NOT be using tax strategies that defer this tax, such as the already mentioned 1031 exchange.

The mid term is obviously much cheaper, probably closer to the 1700+- range, but the STR season would be profitable.

Focus on Tax EfficiencyTax-Loss Harvesting: Use taxable accounts to offset gains with losses, minimizing your tax bill.HSA Contributions: If you have access to a Health Savings Account (HSA), max it out.