Quote from @Andy S.: Yes, it is advisable.

Not likely), vacancy (@ 8% for me), and a possible PM (10% normally).I recommend you reach out to a local seasoned investor and have them run your #s with you, as the #s depend on how you manage it (how hands on you are) and also local pricing.

Quote from @Lavanya Milton: Quote from @Thomas S.: First step for you is to study investing in income properties.Generally a rental property will have in the range of 4% -50% of rental income going toward expenses to maintain the investment before debt repayment (mortgage). 

If it looks like s*** you will get tenants who also don't give a f***, excuse my plain words.

I bought a book about investing in parks, but have only found 1 book about building a park, which was from the late 1950's. 

Hi @Andy S. 3x monthly rent for income has worked well. 

The defendants researched and located properties that were in the pre-foreclosure short sale process more:https://www.justice.gov/usao-edtx/pr/self-proclaimed-short-s...18 U.S.C. § 1344 – Bank Fraud18 U.S.C.

There's a good chance the issue(s) you face has already been discussed and answered.Ask questions in the appropriate forum.

Disclousure:  I lived in CA in the 80's. 

Good job 4's are the way to go!