Steam Trading Cards

i always go from 5 Cents to .01$ below the latest in the Graphics and sell them like 10 Sec after

You can check the value of cards here http://ehsankia.com/steam/cards/ if you're not sure.

For popular cards -0.01 is always enough to have it be gone instantly.
You should have sold your cards all the moment you got them as you'd have gotten a lot more for them back then. They lose value every minute.

For snow globes: Check at what price the offers start to be plenty - like 5 pages of 0.16? Then sell yours for 0.15 - even if there are <20 cards for 0.14/0.15 already. Snow globes are just so popular, they are being sold hundreds a minute, so yours will sell also even if it isn't #1 on the list.

To determine the price point for a card to both sell quickly and return the best possible value, the main thing you need to consider is how many of them sell each hour compared to how many are listed at the lowest price point and each step above it, and whether the price is trending up or down (if at all). For example, if there are hundreds of Card X selling each hour at a pretty stable long term price, and only a few pages listed in the 9-11 cent range, followed by 2 or 3 dozen pages at 12 cents, a safe and quick listing would be at 11 cents (returning you 9), and a 12 cent listing would be reasonable but might take a few hours (or days). You would have to determine if the extra time is worth the extra penny (which could add up over a bunch of listings), or if you want the money asap. Obviously the lower the volume of hourly sales for a card, the closer you'll want your listing to be to the top; if a card only sells 10 per hour and your listing is on page 10, chances are you'll need a surge in prices to get it sold at all. Also, if the price is trending downwards you'll want to be cautious not to end up losing even more value by not getting it sold quickly.