Got my first refillable from VIP, got on well with the franchise owner at my local store. Was a good stepping stone to some MTL Asire stuff and then on to DTL sub-ohm stuff I use now. I think their issue has always been the lack of variety. They were like Mirage, only allowed to sell their own kit and juices, which weren't great. When you can get better starter kit and a wider range of juices cheaper online, anyone with a friend who vapes would likely be warned off VIP and directed towards other brands and products.
For an ever older blast from the past, I remember picking up a Gammuci e-cig prototype kit from a trade show like 10 years ago. Don't hear much from them anymore either.