Travel Trailer Camper Hitch Install

Bought a "one size fits all" receiver hitch for the back of my rv trailer. Install process and some thoughts of this beauty.
1. KUAFU Adjustable Trailer Hitch RV Trailers 5th Wheel 2 Inch Towing Hitch Receiver Powder Coated Steel Black $169.59
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2. TOPTOW Trailer Hitch Extender, 12 in Extension Length, 2 X 2 Receiver Tube Openning, Fits for 2 inch Receiver, 3500lbs, with 5/8 inch Hitch Pin and Clip $28.50
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