Its already too many opportunities to fail if you are in the same town, on top of it daily.

They've tried three times, and it's failed every time before even getting to a full vote in either chamber. 

Give me a fail-safe system over a tenant's assurances any time.

I believe that you don't get returns (failed to deliver) with bulk mailers so you don't know which addresses are bad.That's the simple stuff.My advice is to do various mailings that you or some prepares locally, that go out immediately, using 1st class postage.

The #1 reason why landlords fail is this:  Failure to manage to the lease (Source: American Apartment Owners' Assn). 

If they have an legally binding agreement, you need to honor that agreement and pay the fee.If you failed to mention to the agent that they are going to get paid, and then explained how, of course they won't present the offer.

I gave him a deadline, but he failed to show up with all my items.

Proportional leverage (like 27% LTV) isn’t specifically required, but if you don’t reinvest the full amount or fail to replace debt, the difference will be taxed as boot.

Often, owners beat up PMCs for a low price, but fail to understand the PMC will often cut corners to make sure they are still profitable. 

If you aren't willing to  suffer, you will fail.