Originally posted by Keirgrand:...sell any card you have twice, and you can buy without charging money.
Originally posted by Hackey McNoobster:Is there a 5 card limit? No, technically: There's random 3 card booster packs too. ...i got one today for Surgery Simulator, which i hadn't played in months!(the only booster i've gotten, but i often spend weeks playing offline, so chance is lower)As you can afford it, get to Steam Level 10 eventually.Start with free Community Ambassador badge, easy 200 Steam XPAt Level 10, your chances get +10%At Level 20, another +20%, double previous chance.TRADES: Look for 2:1If someone wants 1 card bad enough, maybe the last 1 for their badge, they may give you 2 they don't want...re-trade those cards for ones you want, or maybe even greater numbers.Trade forums often work well.DOTA: I see you already play!Of all the games i play, DOTA gives the most free cards & tradables, just for playing.Tons of players, many who want random junk drops.BUY CHEAP GAMES: If you can find on Steam the complete list of games that drop cards, sort by prices, read reviews etc, & buy a couple games =more cards.i'm looking at the Trine package: $5-6 for Trine 1 & 2...Both drop cards. + a 3rd game that doesn't....If you get popular, constantly-updated games like Kerbal Space Program, Don't Starve, Garry's Mod, etc, the card/hat market's greater.I just started trading this week & already getting more: 1 game of DOTA today, a player asked if i'd trade an Uncommon Morphling hat i dropped.i said ok & was interested in 2 Uncommon Ogremagi hats he had, i'd take either 1...But he gave me 2 Uncommons for my 1 Uncommon...i'd rather play Ogre anyway!2 players asked for Terraria cards i had, including doubles, after i posted in that trade forum. For those i got Civilization cards...Easier badge, better game, haha.OTHER TIPS: Add high-level profiles & good DOTA players. Then you can see when each other has cards needed for badges. High-levs have more cards they don't want, so....2:1...??Watch out for Emoticons, etc, often worth 0.Whenever i'm offered a trade, i look at the tooltip for rarity & item type, then the link to market value graph. Sounds nitpicky for pennies, but Steam makes it easy to do in seconds.I usually check everyone's inventory 1st too, you never know.