If you have an Amazon return warehouse or people that buy pallets, they often have gamer chairs, office chairs and some nice ergonomic ones. Some places have th

If you have an Amazon return warehouse or people that buy pallets, they often have gamer chairs, office chairs and some nice ergonomic ones. Some places have the already assembled. Deep discounts, nice and it doesn't require waiting on Prime. If you don't have that option try a foam wedge, also cheap and will work with many existing chairs.