The Market is unavailable for the following reason(s):

You've recently funded your Steam Wallet using an unverified credit card (with the same card I've used the past 3 years? how to see date it was added?) that has had a recent increase in use. You can attempt to verify the funds now or wait until the restriction is automatically removed.

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So apologies for making numerous sales and things during the steam sale event, perhaps if you didn't have a steam event and maybe kept the pricing like this over a longer period all users could maybe make only one sale per month or year.. thanks so much.
Maybe if the cart didn't throw away all the items I had in it yesterday I could have made one big sale with all items together instead of one by one..
Please consider making all games, cards etc free so we dont have to worry about the purchase problem you have issues with.

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On the other hand, thanks for stopping me when you did, nearly got carried away with the sale again in buying stuff I dont need, wont get to play until maybe year 2025.. got stuff since joining that I didn't play yet, only run for the cards..