looking for marine electronics

I’m trying to find affordable electronics to help my son with his
boat. (21 Key Largo) … working as well as non-working considered
I can do pay-pal, Bank check, Money Order, or what ever payment you prefer
Thanks George
George Bahrakis
6750 Elderberry Drive
New Port Richey FL. 34653
easier to contact me at my e-mail
Deervalley27@tampabay.rr.com