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When we transferred the lease the title company only got signatures from the boyfriend. 

The list I came up with is : Insurance, Title, Signed note and Mortgage.Are there any other documents crucial to save besides the origination documents which the MLO would have to save up to 3 years I believe.

. yes, If you purchased title insurance, it should cover the back taxes.

We can only guess if you referring to:Certificate of title or tax lien certificate?

New to wholesaling in this area, and was looking for some title companies or investor friendly agents who work regularly with investors.

Paying for a title search before even bidding then losing to people that may buy the house closer to market value. 

He'll know contracts and the value well, but the transaction can still be closed directly at a title or attorneys office without official brokerage listing or commissions paid to anyone. 

As per the title, I need a drywall sub for a residential project in the Warren, OH area 44481.

Make sure you conduct a title search for clean title.Good Luck.