With all of the buzz around the Garmin/Navionics merger and compatibility I thought it was pretty cool that they are offering a new trade-in program. Apparently it's for all cards but you can buy either a Navionics or a Garmin card and apply the rebate. Here's the link with all of the details.

https://www.navionics.com/usa/lp/re...radein_2019-sponsors&utm_content=cta