it does especially with buyer protection fee. over christmas I sent everything tracked 48, even £5 items. but not really selling items that low in price now. My Pa sold some postcards earlier this year and decided to do all tracked 48. But now with BPF it's not really helpful. As a buyer of low value items the BPF is not helpful! But the following might help

• Items which can still use untracked service: There are a few categories of items where we’ll still permit untracked services if that’s your preference. This includes letter-sized items that meet both of the following criteria: they weigh up to 100 grams and are priced at a maximum of £10, excluding buyer fees.