I made a purchase off ebay for a used Hidden Hitch. It came with 4way wiring harness, Double ball receiver (2in and 1 7/8 in), and lockable hitch receiver pin w/ 2 keys. See picture. It was dirty but in good shape. I am in the process of painting the hitch and double ball receiver, since it has some minor wear($5 lowes). I want it to look good and avoid any rusting. I have nothing to tow right now, but want to be able to if ever needing to. It was $155 shipped with everything. I am going to a friend's garage for help and to use his lift. It will cost me maybe $75 to install. I feel the $75 will save time and frustration doing it myself. I also peeled the stickers off and posted to a piece of paper. The stickers were ugly and crooked. I will keep all the info in the glove box if needed and hitch will be a cleaner look, without advertising for hidden hitch.
