: Keep stamps in a cool, dry place away from direct sunlight. High humidity can damage the adhesive and ruin your investment.

If you run a business, subscription services like or Pitney Bowes PitneyShip offer on-demand postage printing.

: Track your usage for three months, multiply by four, and add a 20% buffer for unexpected growth or seasonal mailings.

: For high-volume business needs, using uniform rolls or even custom mailing permits can provide a more polished aesthetic than mismatched individual stamps. Top Places to Buy Bulk Stamps

: "Forever" stamps never expire. Buying them at the current rate of $0.78 ensures they remain valid even after prices rise.