Have never found a standing desk in that range of cost. The best I've found is the one that goes on top of an existing desk. Those can be found on for on Amazo

Have never found a standing desk in that range of cost. The best I've found is the one that goes on top of an existing desk. Those can be found on for on Amazon in the range you're looking for. If you're willing to buy from Alibaba and wait the 6 weeks you can find these for < $150.