Retailers like amazon and walmart will pay more so will everyone else. >> with these potential shipping costs going up as well, the holidays are going to be a more expensive time of the year. >> reporter: additional fees will range from 25 cents for small packages and up to $5 for heavier ones the postal service says they're needed to cover extra costs in anticipation of peak season volume surges >> we know gas prices are at an all-time high that's going cost more to transport packages or letters so unfortunately, they do have to pass some of those price increases on to consumers. >> reporter:...