NSPIRE inspections will more accurately reflect the true physical conditions of properties and ensure that property owners adopt sound maintenance practices to eliminate health and safety hazards that may pose a threat to residents.

Putting every roommate on one lease tends to eliminate all of that because they're all responsible for the house and the total rent.I'd personally rather go the non-student route than do individual leases but that's just a personal preference. 

The site also allows tenants to pay with ACH for free or for a fee, the tenant can pay with a credit card. 

Only two payments I did not have to send a reminder and it was never set up for ACH although I have asked several times.

You can't compete against the all-inclusives unless you offer complimentary food and booze or you're cheap, as you seem to be confirming.This being said:1) Properties in Mexico/Cancun trade in USD so you have no foreign exchange risk in Mexico while properties in Colombia are traded in COP, the Colombian peso, which has been tanking over the years, eliminating any hope for capital gains for American investors.2) You can get a mortgage in Mexico but you can't in Colombia so even with lower revenue, Cancun would likely still be more profitable, even if you don't take capital gains into account.3) The political risk is much higher in Colombia, especially at this present time.Is Cartagena a bad investment?

You can file a Chapter 13 which will protect your home and its a clean way out.When you file a CH.13 BK its not the end of the world it simply protects your home since its your homestead from foreclosure.

Does this in general eliminate the possibility of doing part-time STR in condos?

How about reducing or eliminating quarterly payments?

Even if you could it all you're doing is deferring taxes instead of eliminating them. 

I was trying to eliminate or reduce the taxes.