I have positive renters by the end of July 2024 but I do not have funds for the down payment to purchase at least two rental houses.

This is an outgrowth of in person auctions and so there is no standardization like you get with eBay - Know when the pickup is and that you will be available and also be mindful of payment methods.

7/25, 10 years maturity:Fixed interest rate for 7 years.25 year amortization / payment schedule.Balloon payment in 10 years. 

Most brokers go to Spring EQ or Figure, but i'm sure there are some more aggressive banks or credit unions out there, or perhaps an 'online' bank. Any replies would be great and much appreciated!

A first priority would be to find a way to house hack and eliminate her housing payment.

Goal is to move mid-late 2024  Purchase June 2022: $510,500Down Payment: $102,100Interest rate: 4.875%Mortgage balance: $397,959Monthly mortgage, tax, insurance:$2,465Estimated rent $3,000 The home has an estimated sell price of $550,000 today and the area will continue to appreciate well.Home is in good shape.

Most work this way Rates: 9% to 13% (Most Deals are 11-12%)Terms: up to 36 Months (Most Deals are 6-12 months)Fees: 2-4 points(%) of loan amount paid at closing (Most Deals are 3 points(%))Minimum Loan Amount: $50,000 (For loans less than $250,000 $2,500 minimum fee)Max Loan: 65%-70% of After Repair Value(ARV)100% Rehab Financing Available (Require 20% of purchase price down payment or cross-collateral)Closing Timeframe: 48 Hours - 3 Weeks (Most Deals are 2 Weeks)NO PRIMARY RESIDENCES, NON-OWNER OCCUPIED ONLY, BUSINESS AND COMMERCIAL USE ONLY.

Just purchased an investment property and used some of our HELOC as the down payment on the investment property. 

Ask if the seller wants to be the bank, explain the savings in cap gains, and then see if you can structure a lower down payment to go direct and then you can pay the price they want if you adjust the principal and interest in your favor.

The Fannie guideline change doesn't eliminate the self sufficiency test as FHA still requires that, it just lowers the Fannie down payment for 3-4 units from 25% to 5% and since Fannie has never had a self sufficiency test you avoid that issue.