I use my bank/credit card often, which is Chip&PIN/EMV. I have never had a problem with any of my cards in that way, ie. the reader being clunky and failing to

I use my bank/credit card often, which is Chip&PIN/EMV. I have never had a problem with any of my cards in that way, ie. the reader being clunky and failing to contact the card. I have however worn out a card that has been in use for a couple of years. I would beg to differ that the chips are unreliable. Other solutions might be easier, don't know about that though.