They declined my application after a week of review, citing that "Non-retirement accounts cannot hold retirement funds".Can you please let me know your suggestion here?

With high mortgage rates and rising costs for insurance and property taxes, affordability has become a critical issue.

The cost to repair the system was high, so we decided to move to a flat monthly fee for utilities.

If you've had them for a long time, then most of your value is from growth anyway, you can take anything that you put into your Roth's out tax free (might have to be in for 3 years?) 

A bit of a more advanced exit strategy, but one that can be extremely profitable when implemented correctly.We spent $18k to clean out the place and then we turned around and made $40k after cleaning costs, closing costs, and commissions.

Feel free to reach out and i'll gladly share their info with you. 

We wanted a house hack where we could live comfortably and relatively mortgage free for a few years, so we could save more to invest.

If that's true then what's the incentive to keep the investor's costs low?

Now they have come to realize that the renovation costs are much higher than expected and are looking for suckers who would be willing to pay a lot for buildings that have sat empty for years and have blight liens against them?

A potential applicant (with a voucher) asks for a Deleading certificate for a multifamily in MA.