Of course, a new stock is the best solution. But, for a minute fraction of the price plus a small expenditure of time and effort, you can improve the stiffness of the Hogue stock with a couple of carbon arrow shafts epoxied into the fore-end. Adds a bit of weight, quite a bit of rigidity, costs a couple of bucks. It probably won't make you competitive in high-level shoots against guys with cutting-edge hardware...it's just an interesting and very cost-effective DIY project. I did one for an SPS Tactical, and one for a 10/22 Hogue stock, and found it worthwhile.
Now don't ask about a good deal on snow tires...you will get multiple recommendations for new 4x4 trucks.