Find ways to consistently and systematically add more people to your database each week - i.e. cold calling, networking, online marketing4.

I could not find any details that confirm that online. 

Then just yesterday, I come across the 1099 / 1099-NEC form requirements online from my own research.

You'll need good contact info for them to be able to collect, and ideally the new address for the tenant however which if you don't have can probably be found easily with some online sleuthing/ contacting their employer, skip tracing software, etc. 

Does anyone have some really good websites for accurate up to date data for vacancy rates, median rents, average household income, etc? 

My only hurdle is the fact that I don't know the Real Estate Investing industry that well, so I don't know where or how to find the right documents for my wholesaling transactions.I've began generating pre-foreclosure leads, which I am able to filter out just ones with high equity, owner occupied, and no auction date, yet.

I drove by the properties I was interested in but unfortunately missed the registration date so I’ll be waiting until 2025.

I've had HUD forms filled out billing me for pro-rations that were the seller's responsibility, agents who have lost track of contingency removal dates, ... the list goes on and on.

Meaning you need to wait 12 months from date of purchase to use the newly appraised value and base off the LTV.In comparison, DSCR loans typically have shorter seasoning, often being 6, 3, some even 0 months seasoning.

A specific property you find online would be even better.