I've hand-picked the 3 best robot vacuums we've tried and tested under $500 for Black Friday

One of the most popular product categories during Black Friday deals is floor cleaning, with dozens of dazzling discounts on cheap robot vacuums of all shapes and sizes. In particular, it's a great opportunity to get a mid-range device for the price of a budget robovac, and this year's deals are no different.

• Shop Amazon's full Black Friday sale

The best deal I've seen for most people will be the Dreame L40 Ultra, which is now $399 (was $799) at Amazon. It's a record-low price on a vacuum we love, and a fantastic all-rounder – but it's not the cheapest model on my list. Read on for my full, expert recommendations.

Today's best cheap robot vacuum Black Friday deals

With $400 off, this robovac is at its lowest-ever price – I've only ever seen it this cheap before in a ...