i'm not a lawyer. this is purely opinion based on the what-my-tummy-says test.
i don't claim it's at all logical, but seeing new [allegedly] handmade items for sale in an online store (or at a flea market) just "feels" different than seeing them spread out on a craft sale table. it creates a far more commercial image.
at the table, i can look closely at the items and talk to the maker. i can get a better impression of whether they're truly handmade by that individual from legally purchased licensed fabric, or mass produced bootleg items being passed off as handmade (or handmade - but still mass produced - in sweatshops).
if it was me, i'd keep the receipts to prove i purchased the fabric legally; make sure to be very clear that the items made are not licensed or endorsed by the team (or whatever); set a reasonable price; and stroll comfortably to the LQS to spend the profits.