In this situation should I accept the ex-husband as the guarantor and screen him normally like the rest of the applicants?

If you demonstrate a good track record, securing future funding becomes easier.If you're considering this route, structuring your deals with private lenders could help you secure financing quickly and move forward with more projects.

@William Pichardo I read and like this real estate quote, "Every BRRRR should be a good flip, and every flip should be good BRRRR." 

As long as they are going to occupy one of the units, you can get a very low money down option for loan if you are co-signing.I have a 22 and 21 year old so I understand this.

This is a neighborhood where houses go quickly.

Does anyone have advice on a good DSCR lender in that area or know if this would work? 

For long term rates, the markets have already priced in 1% of cuts this year and 1% of cuts next year, so we will still see them taper down but there will not be a fall-off like a lot of us might hope.  

Hope this helps.  

Interest is long term appreciation though some sort of positive cash flow would be ideal.thanks so much !!

The initial effect on mortgage rates was a subtle increase in long term bond yields, however in comparison to earlier this summer residential and commercial mortgage rates are down considerably.For example commercial lenders were in the 7%++ range just a few months ago, and recently are as low as 5.5%-6% and falling.