If rent is $1,000 then I expect them to make a combined income of $3,000.Be sure your lease includes something called "joint and several liability".My rules change when more than two people are involved because the risk shifts dramatically.

A big part of that is that in our area the market slows down dramatically in the winter and when I purchased I had looked at comps that had sold in the winter.

Although they are technically open for business, they have been dramatically impacted.

I realized very quickly our profits were going to be dramatically less and that I actually was going to get the short end of the stick. 

Property prices have increased dramatically so that even with increases in rental rates, one may experience a deficit. 

Your expenses go down dramatically due to economies of scale and you can spend more time finding one great 5m deal instead of (25) $200,000 deals. 

Basically you're investing in something that has had an almost 15 year dramatic run up in prices which has led to razor thin margins.

That can dramatically affect the answer too. 

Right now I too am going through a "slump" of sorts because I'm 2 months into my second 6-month campaign (and I added an additional layer/niche to it as well) and I'm getting dramatically less on calls, etc.  

Who knows are rents, occupancy or income dramatically below where they should be?