Responsible buyers make sure that the entire process of sale remains really easy and simple as well. You can add the testing supplies that you are planning to send into the online form provided in their website and a free instant quote will be sent to you immediately. Once you get clear cut idea about the price, you need to furnish some more details so that the buyer comes to know where to send the free mail kit. Once these things are done; everything takes place in a fast manner to complete the sale.