They didn't pay for it, so they don't take care of it like an owner.Before you make assumptions about costs based on a seller's contribution to improvements, find out what they improved? 

She would be putting all the cash down for the property and I'm a contractor and would take care of all of the rehab work along with finding the house, dealing with real estate agent etc. how can we make it so that it would be 50-50 ownership of the property and all future profit? 

Regarding leverage - use it carefully!

You could also take out equity if you want to keep the condo and use that for another investment, but I’d be careful about over-leveraging.

I’ve taken care of all my debt and am pre-approved for roughly $220,000.

There are cheaper one’s in D/F areas but I would be careful as those can create a laundry list of additional issues.

Quote from @Jason Burkart: Quote from @Theresa Harris: Whatever you do, I'd keep it in your name if you are the one paying for it, in part for some of the reasons others mentioned (if at some point she goes into a retirement home and needs to use her assets to pay for care).Are you able to pay for her home for 10-20 years? 

(To avoid months of probate and thousands if not $10’s of thousands of dollars in costs.)Hawaii is considered a "TOD deed state," meaning that residents can utilize Transfer on Death (TOD) deeds to designate beneficiaries who will inherit their property upon their death, allowing for a potential bypass of probate court proceedings.If she is already in memory care center.

Just focus on running the numbers carefully to ensure the property cash flows or at least covers expenses, and don’t hesitate to lean on resources here for advice.If you’re financing, look into FHA loans, as they’re great for first-time buyers purchasing up to 4-unit properties with low down payments.

You need 6" clear from ground to bottom plate, and ground must slope away from house...5) Any place that water can enter the house (doors and windows, skylights, where roof meets eaves, etc...) should be checked thoroughly, if it's not raining on inspection day, you have to be really careful with this...any suspect areas, put a hose on them....