It's also hard to access that equity unless you have enough properties to sell one off every few years, cash out refi do not always work for example I have a 4 unit its got like $400k equity but if I cash out refi it then it would no longer cashflow so the money is just stuck in there the old mortgage is at 3% so I won't ever refi it anyways. 

Quote from @Rene Hosman: I met someone last weekend who is focused on multifamily investing in the Tulsa area you might want to reach out to - https://mikemorawski.com/ Ok thank you, are they like brokers who look for investors?

Like early 1900's in Florida.

Here are some methods I have used so far.Free Sources:- information, or free internet search like switchboard.com- pipl.com (not too bad for free - finds social networking sites too)- Courthouse records (shows previous subpoena addresses and if they have a driving offence their date of birth in my county.

You will likely need a large down payment like you would in #1 but your cashflow position should be better.

I have recently come across some undeveloped land that I would like to purchase.

Basically I am loosing 10% a month so it's like I (the owner) am paying the late fee. 

These lists include details like the type of permit, property address, project scope, and sometimes the owner or contractor's contact information.How Real Estate Investors Can Use Building Permit Lists:Identify Potential Sellers:Investors can track permits for major renovations or additions.

I feel like there will be a flip opportunity or some ways to do some business together.

One small oil spill-yes if they didn't notice it was leaking and then got it fixed; but multiple spills means they didn't fix the car.Options to try are baking soda and vinegar or dish soap like dawn that breaks down the oil.