.• The Mortgagee must capitalize into a modified mortgage balance:o the accumulated arrearages for unpaid accrued interest; ando eligible unreimbursed Mortgagee advances and related feesand costs chargeable to the Mortgage.• The Mortgagee waives the Borrower’s accumulated late fees.• The Mortgagee sets the interest rate at no greater than the MarketRate1as defined by HUD.• The term for the modified loan is 360 months.

Given the current rent crisis, it would expect him to add this to his agenda.Could there be a limit on how much profit property owners can accrue, after all expenses are covered?

—During a period of forbearance described in this subsection, no fees, penalties, or interest beyond the amounts scheduled or calculated as if the borrower made all contractual payments on time and in full under the terms of the mortgage contract, shall accrue on the borrower’s account.

If you use a HELOC you have cash ready to pull, and only accrue/pay interest once you have pulled it.  

Half house is demoed, some small expenses have accrued, seller realtor encouraged her to sign docs after getting ok from title. 

Interest does not accrue over this period, and there are no late fees and charges. 

My last question is whether or not these private money websites that accrue investors that lend nationwide are worth my time?

Here it ranges from 10-60% of the accrued amount.

Again, it's simply a curiosity question and maybe the youtube video you watched explained the answer. 

If you have more than 20% equity in the homes, you should be able to take out an interest-only line of credit against that additional equity, which basically sits in an account without accruing any interest until it's used.