Logitech's best value FPS mouse, the G Pro Superlight, is down to $60 when you buy it refurbished in the US at the company's official store. That's a huge reduction from its launch MSRP of $150 and even the $100 that the refurbished models normally go for.
I love this mouse because it's extremely comfortable, with a smooth and streamlined symmetric shape that sits easily in the hand, with a lightweight 63g design. This makes it extremely agile for fast-paced games, and this is backed up by bulletproof Lightspeed wireless, a top optical sensor and excellent battery life too. That's why I ended up with two of them - one in black and one in pink - and I still use them on the regular for Counter-Strike 2, Valorant and Warzone.