Double check everything before filing for any non payment of rent or to evict.

@Jay HinrichsOne friend of mine went down to Florida, in the Naples area about 2010 and bought ten rental properties, subsequently when they doubles in value he sold them.  

Every time something happened I called my own guy to double check the price.

Or price inflation could run double digits. 

Con: The rate on HELOC is more than double the first mortgage, and I worry about the rising rate.2.

Getting a tenant isn't an overnight thing, you may have repairs to make before getting one, so it could be a few months of paying double before you see any income generated from your househack. 

Yes, you can be double-taxed by both the U.S.

Consistent singles and doubles add up significantly over time.

I pay all cash double digit cap rates with NNN syndications.

And your appreciation compounds so 3 to 5% today on 600k is X but 3 to 5% in 10 years might be double.