: Eliminating physical RSVP cards and envelopes can save in postage alone for a 150-guest wedding.
: Always take one fully assembled invitation to your local post office to be weighed and measured before buying your stamps in bulk to ensure you don't underpay and have them returned. Perspectives on Wedding Postage
The most effective way to save on wedding stamps is to reduce the total number of stamps required for your guest list:
The cheapest way to buy stamps for a wedding is to purchase standard Forever Stamps
: If you prefer physical RSVPs, using a postcard instead of a card-and-envelope combo uses a Postcard Stamp Go to product viewer dialog for this item. ($0.61), which is roughly $0.17 cheaper than a standard Forever Stamp Go to product viewer dialog for this item. Avoiding Hidden Postage Fees
before scheduled USPS rate increases. Since they never expire, purchasing them at the current rate (e.g., $0.78 in early 2026) protects you from future increases (to $0.82 in July 2026).