What’s the best option? HELOC, sell the house, reverse mortgage, or other?

Here’s the general situation: My parents are 70 and 71 and finding themselves in a financial dilemma. Essentially, social security income is not enough to cover their costs. There is no other retirement fund. My siblings and I have had to come to the rescue many times over the last few years. We’re glad to be in a position to do so – that’s what family does. However, our mom has a tendency to get in sticky situations and not let us know until several thousands are needed to get out of the hole again. About 3 years ago, we children gathered $9K to get them out of all of their debts. Our dad was going through some health problems and they needed a fresh slate. Except here we are again, back into several thousands of debt again. We already pay for her cell phone and weekly food delivery service since we paid down the first round of debts. It seems our mother was expecting our dad to return to work after his health improved but that has not happened. She has borrowed small personal loans and run up credit cards thinking she would have extra income coming in again to pay it all down but that’s not happening. They are fortunate to own their modest home, which we estimate a current value of $250K. No other assets.

Options now: Our mother is thankfully talking to us more about her finances. We walk through monthly budgets and we’ve needed to supplement about $900 per month to assist. She wants to access and use their equity so she doesn’t have to depend on us but I have concerns.

First, she wanted to get a HELOC loan but this does not make sense to me, because there is no income to pay it back. She would fail to pay and lose her living situation, making everything worse.

Second, she wanted to sell the house and rent somewhere. This doesn’t make sense to me because rent is crazy high and currently she only pays once yearly property taxes. $250K minus fees does not seem like enough to make this plan work. The lack of income would be exacerbated.

Third, she is now exploring a reverse mortgage. She wants to do a lump payout (to install a basic HVAC and get some expensive dental work) instead of monthly payments but this sounds high risk with the spending habits. We’ll be back in the same boat with fewer options later. The monthly installments almost sound too good to be true to me because it essentially sounds like she’s selling the house but they both get to live there until they die. It would be a reliable source of income for them. No added rent or risk of losing a home. (None of us children are interested in the house since we did not grow up there.)

Seeking advice: I have talked to a couple financial advisors but they only seem to be trying to sell me financial products, not really figuring out what’s best for us. I’m reading articles too but I’m not financially savvy and there is a lot to learn too. So I’m asking Reddit to see what gems of knowledge are offered: what options am I missing? What pitfalls have I not mentioned about the options? What would you recommend if it was your situation, based on this info?

TLDR: Retired parents on social security need more income but have no assets other than a paid-off $250K house they are living in. What is the best way to use that equity to help them?