If you want to network or ask specific questions about your local market, go to your local real estate forum and connect with investors from your area: https://www.biggerpockets.com/forums/86-local-real-estate-networking5.

Do you think this trend is sustainable, or could we see a shift in the market soon?

Even if you have a higher return in the stock market, you'd be doing it with a lower basis after tax and it will take a long while to recoup from that. 

And the market was perfect for investing at that time.

You can find comparable sales in 2017 and use that dollar/acre figure to arrive at the fair market value then. 

Leveraged houses perform 3x better then the stock market.   

It's a challenging enough market with an abundance of bad actors.

I'd bring island out a little more. my advice is make sure all rooms are 110 sq ft minimum. some of these look super small. we build a very similar one in our market.

Section 8 vouchers pay up to fair market rent.

However, on the renting side, we have seen an increase in inventory of days on market too.