Alex Soto

OutletPicks founder. Built the cost-per-unit engine after months of comparing prices across Amazon listings by hand — big packs against small ones, never sure which was actually cheaper per unit. Runs the price-comparison desk solo: engineering, data, and editorial.

How Long Does a Tube of Toothpaste Last? By Size, Per Person, and Per Cent
5 min· updated 7/15/2026
How Long Does Sunscreen Last? Shelf Life, After Opening, and Per Bottle
5 min· updated 7/15/2026
How Much Sunscreen to Use: The Shot-Glass Rule (and Why Most People Under-Apply)
5 min· updated 7/15/2026
How Often Should You Replace Your Toothbrush? Every 3–4 Months, and the Signs
5 min· updated 7/15/2026
SPF 30 vs 50: The Real Difference (It’s Smaller Than the Number Suggests)
5 min· updated 7/15/2026