SanDisk offers its SanDisk 500GB Extreme Portable SSD for $105.99 with free shipping. (Best Buy, Adorama, and B&H Photo Video match this price.) That's the best deal we could find by $18, outside of the mention below. It features transfer speeds of up to 550MB/s.
A close price: Office Depot charges $109.99 with free shipping.
Retirees must stretch their dollars further and further these days — no thanks to these costs.