this trap have a little patience

When you decide to bid on an item, don't get dizzy with success. Think about that you can afford the collectible value and your budget and bid price on it and before each bid.
Finally, said, remember, if you buy the item, to sell, not the price, you will sell the book value of the project. Please remember this, make sure you are willing to pay, no matter where you buy. When you sell a project, will you sell it at the price, little or even close to it. In the front row, keep these concepts, you will not lie any project.
Purchase an item or set the mood
Let your feelings creep too far into the bidding process, can quickly raise the cost, reduce profits. This is a common part of some collectors trap, you want to avoid. A common scene just like often plays like this...
Signed shirt, you will find a good choice, for your collection found a much sought-after item, then you end up paying considerably more than at any time in the past should be so excited, small found you. This is one of the two level error. At the first level, as a collector, you won't have to pay for the "home" project. At the second level, as an investor, you don't want to pay a premium for the purpose of profit, you need to quickly resold.
Fortunately, you can easily avoid this trap have a little patience. If you practice a little self-discipline here before, always take a step back into any purchase, you'll find out more successful and less headache... If you take your time and keep a clear mind, have the opportunity, you will almost always buy items for you at the best price, not the seller.