Similarly, if you put several Class D tenants in a Class A 4-plex, what do you think will happen to the property?

I would suggest looking to bring in a partner and give them a percentage of equity for the $.Another option is to take profits from flips to grow or look to sell some of your rentals to grow as well.

It takes a long time to grow a buy-and-hold portfolio buying only with cash.

Gets quite a bit of use actually.

Kinda sorta feels as if it's a 'we're moving, our loyalty is gone.' 

We're doing a ground-up construction project in a booming spot on the Pacific Coast of Mexico.

Quote from @Devin James: The E-Myth is a classic!

And now is not a great time to sell.

I have a good STR agent in the Poconos, DM me your email and I will intro you to him. 

I'm a product of BP through and through, was on these forums figuring out how to house hack after we already were in contract on a duplex, all the way through making it the foundation of my current business.