Dreametech is rolling out some notable discounts across its collection of popular smart vacuum cleaners. Suitable for helping to tackle the post-holiday cleanup or crossing vacuuming off the chore list indefinitely, these are some of the best prices of the year in either case. First up, we’re seeing the Dreametech D9 Robot Vacuum and Mop fall to $247. Normally selling for $309, this is over 20% in savings. Head below for more details.