Mostly on trade accounts with local businesses for the materials, some business credit cards, some of the contractors were OK with waiting 30 days for payment. 

I don't accept credit card payments for this very reason.

We have some credit card debt we are hyper focused on paying down , and 34K in my student loans (not touching currently due to SAVE plan with the zero percent interest).

If you want a second opinion check credit karma, ask your credit card or your bank.

I get a dozen post cards a week! 

@Gary Bonds the only way you'll bet a business loan as a newbie, is by cosigning for your business.You'd be better off getting a business credit card you personally cosign for to start establishing business credit.

Credit Cards: If your renovation costs are manageable, using a credit card can be a quick way to finance smaller projects, especially if you can pay off the balance quickly to avoid high interest.8.

I'm about to start a team of callers on these lists, but I don't want to waste their time or my time with these dead leads.I'm thinking of charging back the expense with my credit card company because I'm pretty disappointed.Does anyone have any solutions they'd recommend for getting accurate property owner phone numbers?

-Cash Back on debit card payments (THIS IS THE BEST)-Higher APY than is typical on checking accounts 

Do that before you spend any energy trying to kick him out.If he hasn't paid rent, you can call the police and have him escorted from the property.