You could bring less down and possibly have a lower interest rate since you will be living there.

If you are living there you can keep the 4% rate.If you are not living there you can rent it out to pay for the property taxes. 

When I tried to get it when my side of the family found out and tried tp take over reverse mortgage payments to bank because she had died it was to late so they sold the house to Hud and then other reverse mortgage companies but a relative still lives there so they can't kick them out.

I live here and househack as well - can provide a first hand perspective.

My question is, is it wise for me to sell it and profit $150-200k after owning it for 4.5 years and invest where I currently live?

If a home was previusly owned and lived in by a famous person, does it add much value? 

Are the kids walking around the living room? 

You will be living in someone else's house.

I wanted a house for myself to live in and I had been living with parents for two years to save money.

Theres someone living in the side that I will be occupying until the 1st of February, but since I JUST became the owner, would it make sense to reach out and ask them something like "Hey its __ the new owner, just checking in to see how you're doing.