Since starting the tfp method of pool maintenance I usually just buy the chlorine at HD. But sometimes in the summer they are out. Along the way I discovered that often you can get it at wallyworld and have it delivered and save driving around to hds looking for it. But it comes with a caveat.
I have discovered that, while convenient, this method has its drawbacks. Mainly due to the apparent inherently low iq of the employees (yes, I know this sounds mean, but stick with me and judge for yourself.)

I always order 12 - 1 gallon bottles. I have received as many as 20 and as few as 2. About half the time I actually receive 12.

Once they switched it to a ship it to me option instead of delivery from the store. Figured no big deal. Unfortunately, it wasn't manufacturer shipping. It was some dude at Walmart putting 3 or 4 bottles in improperly sized boxes. The FedEx guy was literally cussing up a storm on the ring camera. There was chlorine all over the porch and a complete mess as at least one bottle per box had opened or leaked. Shocked they didn't get in big trouble from FedEx for shipping a corrosive liquid like that.

Ordered a batch plus some sos pads yesterday - yes exciting times at the Absolute house! The picture below shows what showed up on my porch this morning. Feel really bad for the 5 yo kids that get my order! Contacted wally world right away. Figured they could get the driver to come back and fix it. Nope. Refunded me and said keep the stuff. Luckily 18 yos and their friends will drink this crap.