I follow a coupon page on Instagram, and this morning they posted that Target's 20% off carseat promotion was expiring today. Sure enough, they had the car seat we wanted in the color we wanted - and only one left.
I had to download the Cartwheel app to get the barcode, as the price-check scanner didn't recognize the sale, and the employee I asked didn't know about it. Brought the car seat to guest services, handed them my phone, and saved $40!
For those ladies not registering/not having baby showers, go scoop up your seat while you can - or tell your moms, ASAP!

Edited because apparently I can't math.
Re: Run to Target! 20% off ALL car seats expires today!!
Jamie