We currently do not have the RB250GS on our website. The only thing that would be $130 would be the RBSoho5G, which is just the RB450G pre-assembled in an indoor case with an 18v PS. We will be selling the RB250GS at the normal price once we get our shipment in of them. Sorry about the confusion on this.
The RB/250GS is still not shipping and MT has not yet given prices to distributors. So any prices you see right now are just an educated guess or a placeholder on a website.