Not sure I would allow them to live at the property for free, as it would be a disincentive for a near-term move.Bridge Loan Option: As you mentioned, a bridge loan could be a viable option to acquire the property quickly.

Otherwise an exterior french drain will be a cheaper option than interior.

You always have the option to partner with your personal funds.

My ideal option would be 75% of the purchase price.

Another option to add on is "preferred returns" before you split the profits 50/50.

I'm having a hard time with that so I'm looking at other options.

If you have friends with other rentals in the area try to provide another option when asking them to cancel.

As a W2 employee, your options are limited to the STR Loophole most likely.

I have other options but easier to discuss.  

Hey Mario, If your dad fully understood and was okay with the reverse mortgage that could be an option, however that would exceed my risk tolerance.