Need a car battery

I called the Toyota dealership and the price for a battery with a lifetime warranty is $300. When the battery needs to be replaced I would just paying for labor. Do you think this is worth getting? I plan on keeping the car for a while. I'm in South Florida and batteries tend to last about 3 years because of the hot weather.

Update: Found a battery for $140 @ Walmart. Thank you for the suggestions.

Another update: I’ve been waiting almost an hour at Walmart and got a text car was done. No one put the battery in. I would not recommend.This is a joke!