Use debt sparingly.

I think when you reach the point it's no longer fun and overwhelming.Also, if you want to run it like a business vs. running it like a hobby in your spare time.

Using that as an excuse to get the tenant out can help spare some "feelings" where the tenant may get pissed and trash the place.

Good Evening Bigger Pockets Community,I finally have some spare time, and would like to take the opportunity to share my latest "house hack".

I'm looking into Real Estate for a couple of different reasons: I want to supplement my current income in homes of "retiring early" and doing Real Estate full time as I'm very interested in it, I find Real Estate much more interesting and exciting than the Stock Market, and lastly, I would like to get involved in something more personable hands-on in my spare time. 

Currently dealing with a STR in my neighborhood, directly across the street from my home, and while I will spare you the details I can tell you it has not been a fun experience.

Another option is to have a HELOC on your primary as your spare safety, where if you need emergency funding you can tap them and pay off later.

The investor moniker doesn't imply wealth or wisdom in my world; I would suggest people use it more sparingly! 

We used every strategy in the book to accumulate rentals (excep turn key).In addition to house hacking (taking in renters for spare rooms or buying a multi door and living on one)   or buy an occupant house and repeating,,,  I strongly suggest you buy BP's Zero Down book. 

The bank was very eager to foreclose on my house, and seek a deficiency judgement in spite of the fact that I had been paying PMI (Spare me the "PMI isn't for you" speech.