You find legitimate buyers (this should be done in person), you determine their criteria, you find leads that fit their criteria and then figure out how to get the investment for A (seller) to B (buyer) depending upon your market and your agreement with your buyer.

If you can get a legitimate renter then submit that lease.

You must have legitimate self-employment activity or business with earned income in order to qualify for it.

@Ehab Habib The critical question to be answered here is whether the tenant is complaining about legitimate issues. 

If you want a referral, you need to prove to me you are legitimate and you need to offer some value in return. 

Even legitimate.

Recently I was looking to expand my area of investing (my price range is $100-$150k in Pittsburgh and Richmond, which is on the lower end of spectrum but still has legitimate buying power).

Legitimizing your operations4.

They provide extra income, but they still aren't legitimate for lending purposes so you never get your money back through the sale or refinance.

Now, even as a legitimate landlord, you want to be careful because if people come across your listing on Craigslist they may lump it in altogether with the other scam listings (not a favorable outcome).