Double check any cap ex you might have coming in the next year or more there so you can plan to set that aside (boilers, roofs, etc).

Alternatively, if you leave your paycheck in your checking account earning .01% interest, there is no real benefit.  

If you want to talk to a good agent out in that area I would reach out to Jen Day @Jen DayI would also check facebook marketplace in case someone is looking to sell and just throwing it up to see if they get any traction. 

Check out this bigger pockets link below for that question. https://www.biggerpockets.com/guides/ultimate-real-estate-investing-guide

Let's check the Regulations 1.21-1 which clarify Section 21.

One of my listings, www.cameronranchglamping.com I list them on my direct booking website so can guests can add them as they check out and on Airbnb for exmaple, I just out it in my listing description and send them an auto message once they book if they want to add on anything.

Check for cracks in the foundation, condition of the mechanicals, any water coming into the basement, etc. 

I generally rule out most single family homes as viable rentals, as prices are pretty high relative to rents, so aside from some downtown neighborhoods, typically you do not find large areas of single family rental neighborhoods (a median sale price on a 3 bed, 2 bath home so far this year in Dane County on MLS sales data is at $430k). 

Do you need to update your credentials once they check out so they don't continue to use your account? 

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).