Here's a video that sees which bots out of the 2 are faster.
I have been hearing stories about certain websites rejecting orders that come in too fast although I don't know how true that is.
I'm kinda interested in bots too but I haven't took the plunge.
I usually just refresh the page of whatever website I'm purchasing from until they actually put the product on sale.
I just order 3 Supreme shirts on Monday doing that with no problems.
Although I'm sure shyt like Yeezy's are probably sold out in seconds due to bots