If you add £15 credit next time (making your balance £24.82) and use it for your next two goodybags, you will reduce that figure to £4.82
Hi @tuvok2 there's no technical reason why giffgaff can't offer a £5 top up. Lycamobile run on the O2 network too and they offer a £5 top up.
This idea is the single most popular idea on labs with 5351 votes to date. Giffgaff marked it as "Not for us" some time ago but if people keep voting for it, you never know, maybe they will change their minds.
You can vote for it here,