I added the wall boards and they instantly cleaned up the basement aesthetically.

That’s cheap and improves aesthetics 1000%.

I'm assuming the house must be livable, so any of these opportunities must be aesthetic.- And FINALLY, my biggest question is just how do you determine what these Forced Appreciation Opportunities are? 

But beyond the clear aesthetics, it shows potential tenants that they will be taken care of.  

. ;)   If your flipping it though, and aesthetically it all looks sound...it won't be your problem by that time. 

I thought a gas insert would be a good compromise, as well as add a luxurious aesthetic to the apartments. 

You can even get vinyl siding that looks like cedar shakes if you want to maintain the aesthetics of the building without sacrificing performance. 

She is a person who would rather buy her dream house (imagine stereotypical millennial design aesthetics)  a little farther away from the city instead of a BRRRR in a C class neighborhood.

They are either a bad person in the first place, or have gotten in over their head - in either case they suck, and so do the punks they have running around fixing things.

The interfaces from 3rd party websites are more aestheticly pleasing and functional than the MLS