I skimmed the thread so forgive me if I missed it but no mention of "dealer's fees". These fine print addons appear when the checkbook comes out. They are often pre printed on the contract. "Oh yes, the agreed upon price is 35K but we have mandatory dealer's fees of 3K". One dealer even had...
Great video. A few comments/suggestions/things I found out; I also had to dremel the cam a bit to get it to fit. The about 20 inches of wire is more like about 30 inches of wire. Bending the rod to just the right angle was a bit finicky. Make sure those wire splices are solidly connected.
For $121.21 this looks promising;
https://www.walmart.com/ip/Yuasa-Yuasa-Group-140R-Battery-Polaris-Ranger-560Cca-Ybxm79L1560Ran/1472307806?from=/search