All offers to buy/sell should be posted in the Real Estate Classifieds.

How long have they been on market, what have offers been like, etc?

Sorry to not offer a connection, but for this one I think your best bet is to find the "land specialist" realtor in the area and get a CMA.If you want an extremely precise number hiring an appraiser is most likely the move. 

This equates to more motivation for them to pay and more options for them should they get in a financial bind.

This may be an overly ambitious strategy considering that I am inexperienced in both DIY and sales contracts, but in theory it seems like a very efficient option.

"for rent by owner", investors)-search for non-homestead properties in your county and send postcards to those owners that own homes that meet the criteria you want to focus on-network with real estate attorneys -network with trustees in banks that offer trustee services-look up court records of landlords who have filed their own evictions and send them postcards -network with HOAs that have non-homestead properties in that association -when you see a "for rent by owner" sign in your area, send the owner a letter -join Facebook groups (for rent by owner, landlords) and being to contribute -improve your SEO on your website-find someone who can help you gather landlord info from Zillow, etc.

About to make an offer. 

This separation helps in maintaining clear financial records and simplifies tax reporting and financial management.Setting up an escrow account specifically for rental income within your LLC can offer several benefits:Financial Clarity: It separates rent payments from other operational expenses, making it easier to track income and expenses related to the rental property.Legal and Compliance: Helps in demonstrating that rental income is kept distinct from personal or other business funds, which can be important for legal and tax compliance purposes.Tenant Transparency: It provides transparency to tenants and other stakeholders regarding where rental payments are deposited and how they are managed.While it may not be a legal requirement in all cases, maintaining an escrow account specifically for rental income is a prudent practice that many experienced investors and landlords follow.

MLS creative negotiating with offer time limit.

Also seems like this lender is trying to swap the DSCR loan rate issue to the property tax & insurance issue to make their product look better.BTW: we're in the Midwest and believe it offers better opportunities than TX market, but one shouldn't have to stoop to this lender's tactics to show this:)