Good stores to look at are:
GamersGate
HumbleBundle
IndieGala
GreenManGaming
OpiumPulses
Fanatical
And then some greymarket sites although I would generally not recommend these:
HRK
G2A
Kinguin
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Deal and offer search engines:
Legit retailers:
Grey area retailers/never tried them:
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You can try Game for keys bots like this one then: https://steamcommunity.com/id/Nivq
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The cheapest are probably:
https://plati.ru/ (Russian marketplace; no PayPal, mostly credit card; beware of region locks)
http://cheapkeys.ovh/table.php (Russian key store aggregator; no Paypal, no credit card; beware of region locks)
https://steamground.com/en/wholesale (Russian key store; no PayPal, but credit card)
Then cheap bundle pages like your mentioned DailyIndieGame:
https://www.dogebundle.com/index.php?page=home
https://www.bunchkeys.com/
Grey market:
https://www.allkeyshop.com/blog/ (keyseller price comparison)
Next would be already mentioned bundle sites and official resellers.
If you want them for "free" and have much time, you might want to try LootBoy, KeyJoker and Oy-Vey-Keys.
Most web sites usually don't directly show if a game has trading cards or not. The user script Steam web integration shows which games you already own and provides a symbol for trading cards, if the page contains a Steam store link. Otherwise you have to look up that information yourself.
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It's run by exosyphen, which is based in Romania: https://www.facebook.com/exosyphenstudios
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besides the ones already named, there's also gamesplanet.com (official seller)
I would not recommend buying from unofficial key-resellers, because you risk to lose your money and your game. This already happened to me on G2A. I'm not saying that this will always happen. I've never had problems with Kinguin for example (but I'm not buying there often, anyways). But it COULD happen ;)
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So I'm looking for some cd keys to buy. Pref card games.
I have heard about russian sites / traders etc and I have never tried and dont know where to turn. So Im asking you. Where should I look?
Buy in bulk is a plus but not needed.
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