This is the practice of gathering a bunch of items in a pile and taking your time looking and making a decision on whether to buy or not. Some companies do not allow this type of practice and require you to buy what you pile. You should know the policy of the company holding the sale. Hoarding effectively removes the items from the sale during a time when the sale might have the most potential buyers. This is not fair to the estate sale company or others attending the sale. Again, Estate Sale Etiquette .