Depending on your relationship with them, that might be feasible, but if you're just picking up someone you don't know personally, you could bring the productiveness of the investment down because you'll both occupy unit(s).Side jobs won't really do much until you are at that side job for a sufficient duration of time - it may be 2-years.

If it is a gravity system without ejection pumps that should be sufficient. 

Basically just looking for opinions.Is $17,000 going to be sufficient to cover my ***.     

Keep it in your personal name with sufficient liability insurance.

Shouldn't be a major issue if you have 2 years of tax returns showing sufficient income.

QUESTION:Will a 1099 and w2 be sufficient?

More information is required to give a sufficient answer.

Could someone help explain the self sufficiency rule with FHA loans?

Make sure you send them the first notice, giving them sufficient time to move out, and then follow the appropriate process for your state or municipality to initiate the eviction if they don't.

Yes you will need jobs that show sufficient taxable income in order to get an FHA loan.