Looking to add something to the boat to locate brush piles and find crappie. Don't need gps. Just going on a boat with a trolling motor. I don't want to spend a bunch of money but like the bigger screens. Any good clearance deals out there?

Thoughts on the below? These are what I am considering but are higher than I really want to spend. Screen size and half off got me interested.

https://www.amazon.com/Simrad-Chartp...1zcF9hdGY&th=1

https://www.amazon.com/Lowrance-Reve...GZfbmV4dA&th=1

https://www.amazon.com/Lowrance-Reve...15&sr=8-3&th=1