The Honda dealership is offering a 40% discount to all buyers in college. The sales rep tells me that I can get free delivery to my door as well. I reply:
Wow! Free delivery and a discount! Can't' beat that!
VS
Wow! Free delivery and a discount! Couldn't beat that!
Are both okay?
Top answer
Wow! Free delivery and a discount! (You) can't beat that!
— AlpheccaStars
Wow!
Free delivery and a discount!
(You) can't beat that!
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Can't beat that - correct and the way people say it.
Couldn't beat that - you can probably justify the use of "couldn't" here on grammatical grounds, but I'd never use "couldn't" that way and I don't think other English speakers would say it either.