I’ve expanded my sources of leads, but that’s a longer term project as when we establish new sources we become swamped with submissions of deals bearing no relation to our published criteria; at risk levels a river boat gambler wouldn’t touch, or flat out the source just shotgunning whatever crap comes across his desk, without even reading the documentation.  

The result of the survey are published for the whole country at their website, HUDuser.org and look for FMR, which stands for Fair Market Rent. 

HELOCs are usually tied to the Wall Street Journal Published Prime Rate (some are tied to SOFR).

See if there are any white papers published on the system in your state for example on Tax Sale Recourses website.   

Also, often times the list for the sale isn't published until maybe 30 days before the auction.

All monetary accounts had POD or beneficiaries listed (my sister and myself)  We did not want our parents'names to be tarnished by not paying the yearly taxes and their names published in the local paper as not having done so. 

Zestimates tend to be more accurate for on-market properties than off-market, and I believe Zillow publishes the accuracy metric for each city - so some cities are more accurate than others.If you are going off of website estimates for a quick guesstimate, I tend to take the average of the estimates given by Zillow, Redfin and Realtor.

Within 1 year we were publishing in booking and a few smaller channels and tied in to a pricing engine, lock automation, setup a set of great communication workflows, etc.

If you are new to this type of investing, I suggest you pick up a copy of Lend to Live: Earn Hassle-Free Passive Income in Real Estate with Private Money Lending published by BiggerPockets.

You're not sharing thew whole story, and it only your side of the story, so it's difficult to give advice.Time is money, and no one wants to work for free, so the PMC probably feels that they want something for all their time invested in taking pics, writing an ad, publishing and taking all the phone calls and handling showings.