I was trying to compare their prices and I was able to combine "bobcat" and free shipping but I did not finish the transaction, so not sure if it actually works.
Waffle prices are almost always a bit lower than everybody else, in the U.S. at least. He also has a 10% code but it is not easy to use, I need to input it many times for it to work. But it does help when it workd. For instance, earlier today I ordered a model from his collection sale. The model was $50, shipping was $7 and some change. After the code, I paid $52.15 in total. His variety probably makes him comparable/competitive also.
I do offer free shipping above $120, and I do allow it to be combined with a code. But my stock is limited. I don't currently carry NG, for example. I am in talks with them though, they are the last big brand that I need to add to my site, but I'm not in a hurry to do so. We had a spike of sales recently with the Patriot DC-10s and the Panda 763s, MD-11s. I don't think I would like to be that busy all the time. So, I would like to pace any future expansion. Plus, the tariffs on China don't help either.