I've also used college students for this. 

Also looking for best practice guidance on the risk tolerance based on these numbers.

You will get convinced you can do seller finance or sub to, but it's not practical unless you are going to spend all your time doing that.

Yet, it seems common practice for wholesalers to use this contingency to back out of the contract simply because they have not found a buyer within the inspection period.

I wish I would have known to do that in college and the years afterward. 

As a result, there is less demand for off campus housing in the immediate area and its become easier to lease housing closer to campus if you are a Temple student wanting to live near campus.Keep in mind there  is also a narrow windows to lease to college students and if you miss their leasing windows it becomes difficult until the summer to lease units.

Or apartment owners unrealistically view EV charging as a revenue source, though the margins are just too thin.On the ground EV charging for multifamily is practical, even in retrofit, it's just not simple as there are so many options and tradeoffs.  

Just a little background: I am still a senior in college, and I own a single family rental that I house-hacked last year.

Good quality of life, good potential for appreciation over time, and an area that is unlikely to lose its draw for young professionals and college students for future tenants.

Is that standard practice from the research you have done?