Need advice on getting money out of a house me and ex purchased

[Reaz Alli]

Help needed please! A year ago me and my ex girlfriend purchased a house. Her dad gave us the down payment, I paid $5,000 for closing and about $3,400 in updates on the house. When we separated I moved out, and we agreed on me getting back my money. She wants to refinance the house but doesn’t want to pay me until one day down the line when she sells it. So my money isn’t growing, it’s just going to sit there in the house for 30 years... with no ROI. She wants me to sign the refinance papers and a notarized letter saying I will get my money back when she sells the house. What can I do??Her father has lots of money and she’s acting like she can’t pay me a little $8,400.