We recommend finding a local handyman through an App or web search. As a side-note we have also found that customers are far more successful at getting more competitive local assembly/installation rates if you join a local Facebook classifieds group and create a post like, "Looking for a licensed and insured handyman to assembly my ......." You are likely to get several competitive bids eliminating the middle man. 2: Try model 90568 for a bolt-down 54" system. It's not possible to change it from direct-insert to bolt-down. Feel free to contact us with any other questions