Since times immemorial, business establishments have run on the general perception of what the crowd thinks about them. For example, if a shop has an unscrupulous seller, people would not flock to it. Likewise a honest seller always has good sales. Now, the world of business has shifted to the internet but the concept of a good and a bad business remains the same. If there are a lot of complaints against the company, it is bad, else good.
So when you are looking to purchase discount party supplies, it pays to check the reputation of the seller over the internet. If you get a lot of complaints against that seller, stay away from them. If everything is good, you can initiate the purchase order and you will get the selected product within the allotted time.
The other thing about purchasing discount party supplies is that the quality of the product comes into question. So always enquire about the quality of the party supplies that are on sale, even if you are only purchasing one item. Look at the pictures of the party supplies to gauge the quality of those products if you cannot get your hands on the physical products; it will be very beneficial to you.