Generally "multifamily" in real estate will tend to mean 5+ units, but if looking for 2-4 units your current options that you listed are pretty good - but would not apply to anything bigger by unit count

The cold weather tends to drain the battery for me as well

Folks tend to not do anything when the heat is down low...but when that Sheriff serves them notice of the auction or eviction...it's a whole other story!

The most popular sites for MTR besides Furnished Finder tend to be Airbnb, VRBO, and Zillow.

When considering properties, focus on accessibility to popular attractions and amenities, as these features tend to attract more renters.

Those properties tend to be older, as in 100 years old or so.

People tend to think that all there is to it is filling in the blanks of a contract, but understanding the process and how to negotiate the nuances in your contingencies are where tens of thousands of dollars are lost or won.

I understand that these tend to have a return in 2-3+ years, which I am okay with. 

They do tend to go in the same place, but its usually of their choosing.

I tend to get frustrated when I keep telling people that you can buy large multifamily with 0% down.