For in-store pickup only with stock varying by ZIP, Staples offers the Logitech M705 Wireless Laser Mouse in Black, model no. 910-001935, for $19.99. That's tied with our January mention as the best price we've seen. (It's a current low by $10.) This right-hand wireless mouse claims to have a 3-year battery life and features a nano-receiver and scroll wheel. Deal ends May 10.