Pikachu

At £2.77, you're right at the lower quartile of the 65 UK asks, which run from £1.50 to a median of £3.31—so the cheapest seller is undercut by 55%. Bear in mind the set is only a week old, and prices typically fall for the first three months after release, so holding stock at the moment carries some risk.

• CautionSet is 1 week old. Prices typically fall for the first three months after release.
• NotableUK asks run from £1.50 to a £3.31 median; the cheapest is 55% under the middle.