This is probably the cheapest laptop we've seen with the GeForce RTX 2060 GPU and 120 Hz 1080p display. However, you're going to want to upgrade the 8 GB of RAM and 256 GB PCIe SSD at some point to get the most out of the system.
https://www.notebookcheck.net/This-GeForce-RTX-2060-laptop-is-only-699-USD-right-now-from-Walmart-and-Gateway.511470.0.html