Another way is by networking with property owners directly, such as through direct mail campaigns (trying checking Corefact)

I get the equivalent of a large cheese pizza deposited into my checking account each month.  

I realize these are already very good terms, but I thought I'd check what is possible.

We also didn't take into account the slant in the floor either. 

I do it myself and takes 20 to 30 minutes a month (did it yesterday for Dec), with about 7 of those minutes for 1 property in Blount County, TN which requires the form to be manually filled out, write a check, address an envelope, scan doc and check for my records and walk it to my mailbox.

What roofers can be at your home tomorrow to check out roof condition for free?

However, a check of the zoning showed this property was zoned for up to six stories.

If you are able to setup a credit card identical to your accounts payable accrual account, it should operate the same.  

If they are adjusting the amount they can lend because the margins are too thin or telling you the deal metrics are not checking out it is likely due to the expected earnings not being sufficient. 

✅ Yes, IF:You have a system in place for cleaning and chemical balancing.You have a reliable team that can check thisYou market it properly (highlight it in photos and listing descriptions).🚫 Not Worth It IF:You don’t have a dedicated team or someone to balance for every turn.Your climate or guest demographic wouldn’t use it often enough to justify the cost.Make sure to have waivers, I ran into issues with people saying they got bacteria from it etc.