The buyer does not need to use that particular lender, they are simply trying to protect their clients interests the best they can.Go back to your lender and get the pre-approval letter, else your offer will likely not be accepted.

Keep in mind, even with this strategy, reassessment might still occur in the future.For a 100% seller-financed deal, ensure the terms clearly state the tax responsibilities and get expert legal advice to protect your interests.

As far as finding the property and in which market to buy, that has been the most time consuming for me with analyzing deals, putting in offers, etc. 

Got it.What we include in the process as well, is "how best to protect yourself from the "due on sale", what happens if the renter stops paying, what if the seller won't vacate, how to get a title report, why to not use a real estate agent, how does this affect my taxes, what makes for a good deal, what exit strategy to use, how do I hold title, what happens when the seller comes back later and demands to be taken off of the loan, how do I hold insurance, what happens when a roof or waterheater need to be repaired or replaced, and on and on.

They do have filters, but it's clunky and time consuming compared to QBO's search. 

They handle:Monthly Payment ProcessingEscrow for Taxes and Insurance: They ensure property taxes and insurance are paid, which is essential to protect your interest in the property.Record Keeping: They also maintain records, which can be invaluable if any issues arise during the term of the loan.ConclusionGiven the details of your property and the $200,000 sales price, a possible scenario could look like this:Down Payment: 10% ($20,000)Loan Amount: $180,000Interest Rate: 8%Amortization: 30 yearsMonthly Payment: Approximately $1,320 (principal and interest)Balloon Payment: Due in 5 or 7 years (this allows for refinancing or payoff while giving you some flexibility).These terms are flexible and can be adjusted based on the buyer’s credit, down payment size, and negotiation.

- How do you protect yourself from potential pitfalls (e.g., vacancies, market shifts)?

SROs are close-quarters living, and the law is written to help protect all the other tenants, giving the property manager a strong tool to manage problems.

On our development side we stopped going because it was getting too costly and time consuming to deal with.Not sure if they are still around, but check out ForeclosureRadar.com.

This can protect your other investments should you have a loss in one.