I have a Garmin, 2 Helix 5 and 7 and a Lowrance hook 4 some double duty as Ice fishing as well. My bride and I were talking about upgrading and got to thinking how long do they last on average? Should you get 4-6 years or try to sell and upgrade by a certain time? Just thinking they cost $400 to over a thousand and up how much return will get on your investment. Used ones don’t seem to have as much value but some value left.
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