I looked at nada.com to see their values. Then googled my model and year to see same units for sale and asking prices nation wide. Those prices were all over the map. I used the nada “average retail” value (mine was in very good condition) and listed it on Facebook Marketplace and sold it for full asking price in two days. Ad was limited to a chosen local distance making it easy to show to potential buyers and then meet the buyer at their bank to get a bank issued check. Quick, simple, and safe money transfer.
Had over 20 more inquiries before I could mark it sold on FB.