just look at all the great offers they provide. there are deals going on non-stop. buy 1 get 1 free.....buy 1 get 2 free. 20 or more percent off for first time customers, free samples, etc. hell, hes even asking for peoples input on what things they would like to see on sale next.
Also, like so many others have said, their response time is FAST. If you send an email you can expect a response within half an hour, not a couple of days like some places. And he is on here all the time interacting with board members and making sure everyone is satisfied with his products and services. also you can usually expect your order within 7-9 days. sometimes I cant believe the amount of free stuff he gives out!
edit: let me also add that the products he sells are all high quality, consistent products, that have passed various tests not only by professionals in the field of anabolics, but also by members on this very board