You have to find an ear plug that has a good price attached to it. When you are looking to buy in bulk, you can save a lot more money than if you buy these one at a time. You need to find a seller that can ship you all of the earplugs that you need all at once when you are trying to buy them. If you can't find someone that has a good bulk price, then you should shop around a little bit more because you shouldn't have to pay per unit if you can help it.
Keep in mind that not everybody has the same size of ear. You may need to buy different sizes of earplugs for different people because you never know if the people that are going to be using them are going to be able to use the ones that you buy. You should try to get some of a lot of different sizes or at least find one size that fits most people if possible. Don't just get really small ones that fit just you or someone you know because these are something that a lot of different people need different sizes for.
Before you buy any kind of safety earplug you need to know what you are doing. There is no reason to buy something that is of low quality or that won't work properly for other reasons. You can also save money if you use these tips so be careful to do so.