Choosing the right fish finder!

Please see latest video about Lithium Battery:    • Inexpensive Lithium Fish Finder Battery.   I keep referring to the "7" series, but what I mean is the "3" series when talking about Garmin's freshwater lineup. My current recommendations below: How to choose the right fish finder for your needs. I detail all the features of the modern fish finder, and how important they are for your application. Amazon links - clicking through and purchasing doesn’t cost you any more, and sends a small commish my way. Much appreciated! My current fish finder: Garmin ECHOMAP UHD 64Cv fish finder https://amzn.to/36GvwuT Recommendation for budget fish finder: Garmin Striker "Plus" 4 https://amzn.to/2ZpvupP Recommendation for budget 5" screen fish finder: Garmin STRIKER Plus 5cv https://amzn.to/3cXIG8Y Recommendation for higher-end 7" screen FRESHWATER fish finder with Contour Maps and ClearVu: Garmin ECHOMAP UHD 73cv https://amzn.to/2WLmcCM Recommendation for higher-end 7" screen FRESHWATER fish finder with Contour Maps and ClearVu and SideVu: Garmin ECHOMAP UHD 73sv https://amzn.to/3g6mfAw Recommendation for higher-end 7" screen SALTWATER fish finder with Contour Maps and ClearVu: Garmin ECHOMAP UHD 74Cv https://amzn.to/2yhfxH1 Recommendation for higher-end 7" screen SALTWATER fish finder with Contour Maps and ClearVu and SideVu: Garmin ECHOMAP UHD 74SV https://amzn.to/2LHIKhk Recommendation for inexpensive lithium battery Miady Lithium Iron Phosphate Battery https://amzn.to/2LJMuiu Recommendation for lithium battery pack - DIY required TalentCell 12V Lithium ion Battery https://amzn.to/2zdDGyr Recommendation for Action Camera GoPro HERO8 Black https://amzn.to/2Xq2U55 Understanding contour maps:    • Kayak fishing Southern California - how to...