Here's an example.Mortgage on Rental:  $100,000Mortgage on Primary: $200,000Assume sufficient equity on primary for this to work.You refi your primary to $400,000 to pay off the first loan on your primary, pay off your rental, and go on a whirlwind vacation with the other $100,000Now you've got $200,000 of mortgage that is traceable back to the purchase of your primary and $100,000 that is traceable back to your rental and $100,000 that is purely personalGoing forward, 1/4 of your mortgage interest will be deductible against your rental income, 1/2 will be deductible as personal mortgage interest on your Schedule A and 1/4 is not deductible at all.

Do they have paperwork showing the pure breed?

In SF it is pure software only folks with mid 20 fresh-grad vibes.

We added to them with pure rentals when I am working by always living off one salary.

If the last decade's taught us anything, it's that you should look at pure cashflow, and nothing else.

If you work 90-100 hours a week maybe pure rentals aren't for you.

We also buy pure rentals too!

Thanks, I knew required depreciation was the case for pure rentals, but didn't realize it was so for a room rental on owner occupant. 

Social networks, referring sites, etc.For this reason I do think that AdWords are a more transparent investment in a pure marketing sense.

One of  my apt. buildings in Dallas did 30K per month net, purely passive.