partially refunded h and m 3 weeks ago, got 3 items, one of them was a jacket which cost £50. Somehow in 3 weeks, it went from fitting me perfectly to being too small for me. I kept the tags on the jacket and went to H and M to exchange my partially refunded jacket (i got the £50 refunded back for it) they had no bigger sizes so they offered a refund at this point i noticed that it may be on the system that it was already refunded but decided to take the risk 1 day later (today) the £50 came through in my account today so essentially i got the refund for the jacket twice! is this just a coincidence or can i continually do this to make profit?