The whole point of investing your money is to make more money. So what do you do when your investments start going down for a few months? Assuming they weren't bad investments to begin with, the answer is often to hold on to them.
This was 2006 and the real estate market was still hot. This is how I was able to start in rental property! I crunched the numbers and figured out that the rental income would more than cover my mortgage, insurance, association fees, and repairs. We also had enough money for a 10% down-payment for a new home so we didn't need to sell the townhouse to buy a new home.