Within the last 5 years he has done a new roof, actually built a peaked roof onto a flat roof, all new HVACs, new water heaters, fully renovated 4 units, flooring, cabinets, doors, bathrooms, etc. 

We do a flat rate per door, some people do 10% of gross rents.

are ongoing expenses and likely to require ongoing revenue to support, vs. being able to run on annual flat fees that remain reasonable.  

https://www.dmagazine.com/frontburner/2018/06/everything-you-need-to-know-about-dallas-new-granny-flat-ordinance/

Apparently they only charge a flat rate $3000 fee for the listing realtor (And standard fees for the buying realtor).

For example, there are many duplexes (we call them 2 flats) which are not zoned for single family dwellings. 

Flat Branch Mortgage

Conversely however, most of the funds have stopped acquisitions, and as inventory is absorbed, I believe we will be able to maintain flat rates with the economic pressure.Lastly, inventory, since that was the question. 

Here we go: Let's let the numbers do the talkingCLICK ON THE IMAGES TO ENLARGE THEM1) The DOW closed at 890 in Dec 1971 (not 5550)2) Be careful not to use inflation adjusted dollars on one and actual on the otherThen it went flat for a bout 10 more yearsSo they had to change out the mix of companies on the DOW to make it look good because nobody was buying stocks.They are using totally different companies.

I guess people don’t usually take pictures of four flats.