I like Sandy Padula and Norm Padula, JD, GRI 's idea about having a general contractor front the money and lien the house. Only problem is this doesn't leave checks and balances if contractor goes over in cost, would need a specific written agreement with a tick list of items and line item costs to cure.

You could also get contractors bids and offer to advertise contractor and the itemization of what needs to be done. The buyer can use a Homestyle Renovation loan. This would allow a buyer with vision to pick exactly the finishes they want. Provide flyer and white board in the open house explaining how this could work.

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OR as @James Brockway states price it to sell fast and move on (disclosing all the needed repairs)

Find a General Contractor that is willing to do the work and get paid at closing. He/She will most likely insist on placing a Mechanics' Lien on the home and the seller should be willing to accept that with the thought that with the repairs done, a higher sales price will be realized.

Sell as is marketing it as an investment or a re-hab loan.

1. What price will the owner COMMIT to sell the property?

1. as is?
2. Fixed?

2. Is this price correct? Can you sell it for more that that amount? (Get it in writing.)

3. Contact your collaboration partners and fix the house on deferreed basis plus benefit. 

4. Sell it and pay all those involved, remove the liens, close the permits and ask for an introduction to 5 of their closest friends.

Find a hard money lender and get the repairs done so you can get top dollar on selling.

My seller is in escrow now on a property like your client's. We marketed it as a great investment for someone looking to rehab. And we had lots of offers!

that type of home is in big demand.... fix and flip....

Youree Lundy If this is actual equity and not assumed equity should it sell, get a small equity loan, make the repairs if they are significant and sell the property. Or put it on the market and let the buyer discount the property for the repairs. This will more than likely take a big bite out of their equity.

One of the options is to sell the home to one of your investors who will buy fix up properties.

Or, promote the property as a candidate for FHA 203(k) renovation financing.

Look for contractors who can be pai at closing to maximize the return

Depends on condition. I might get a home inspection to see what it's going to need. Then fix the important items, clean, and maybe paint, then list and sell.

Many choices here. I would sell and rebuild. 

Do you mean 100 Million or 100 thousand Dollars ?

I don't understand the question.  Customer has over $100,000,000 in equity in the home?  List and sell.  Whats the big deal?

Get a hard money loan.

Norm nailed this one!

I would sell the house as-is and preserve the equity the seller has as much as possible. I think for some home ownership is not always the best alternative and this appears to be one of those situations. Get out of debt, live within your means, rent a house, and try to save money.

Send client to Youree.  Not my department.

I would recommend they make the minimum repairs necessary to sell it at a reasonable price, then rent a home for awhile and repair their credit.