You can absolutely screen your tenants, but the screening doesn't predict what could happen in the house with 4 strangers in it.  

But there’s no such thing as a sure thing, and that’s why there are some basic steps landlords should take before agreeing to lease their property, as well as proven practices that help prevent problems after a tenant has moved in.Screen Prospective TenantsUnless you are renting to a family member or friend (which can bring its own set of difficulties), you likely will be entering into a legally binding financial contract with and entrusting a major investment of yours to a stranger.

I recently decided to dive into real estate investing after listening to podcasts and being advised by several strangers that the real estate market is the way to go!

I am no stranger to a flip not going as planned so I salute your success!

Read self help, books on improving your personal skills, how to effectively understand what people want and what you want from them, your ability to communicate with the people you want to be more connected with starts with your EQ, of course rich dad poor dad is a great start, but having a good foundation in communication, and practicing it daily will help you grow, you can learn real estate anywhere, people skills is an in the trenches skill, start with smiling at strangers and getting smile back its the simplest form of an exchange.

If he lived there long enough to benefit from major appreciation, it would seem opportunistic of you to come in and do a bit of a remodel and take years of growing wealth, but my answer might be different if you were working with a stranger.

I would look into the laws around this, maybe call the non-emergency police number and ask what happens if someone illegally parks in your driveway as I feel this is essentially the same as a stranger parking in your driveway as far as the law goes.Do your research then give the tenants a very stern talk with a hard deadline, and if the RV isn't out by 9a on that day have a tow truck standing by.

Asking for the next step our guidelines is kind of like calling up a complete stranger on the phone and asking them to give you step by step directions to get to your grandmother’s house…without telling them where you are or what your grandmother’s address is.It sounds like you want to replace the income from your second job - that’s a great place to start.

Most landlords aren't going to want to do that for a few reasons, one is the risk associated with having strangers going in and out of their property, the extra wear and tear plus damage that can occur from guests behaving badly. 

But stranger things have happened.