You are basically removing the cushion of a savings account and using the HELOC instead as your bank account.

They said I'd be free and clear and account will be closed.

If you want to activate it, you can simply log in with your BP Account - Activate RentRedi Perk

Would like to know if I should sign up to accept the money, and I believe I will need to link my bank account. 

I looked into your account,  and it is just as I suspected.

Getting a pro account at HD or Lowes might be a solution. 

Each upgrade is depreciated separately, and each has a monetary value and depreciation schedule.So to keep it simple, use your books 😉 Accounts/Sub accounts: Address (or property identifier) >> Name of update >> Depreciation account for that upgrade.

I track the principal as a Liability account in Xero, and whenever I add it to a report, it always shows the current balance, rather than the change over the chosen time period (like with expense accounts).  

The other hurdle many run into is that you need to have funds to close and cover reserves in a US based bank account.  

My wife and I have business income and our accountant can divide the income according to what would be the best for reducing tax liability.