SAN JOSE (KRON) — The last day to get your Christmas letters off on time is on Dec. 23.

And that is if you use priority mail with the United States Postal Service.

However, don’t be in too much of a rush because not paying attention to what you are doing after you drop off your package could end up costing you more money, as Stanley Roberts explains.

Watch the above video to see Stanley’s full report.

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