Recommendations for a wired router?

[Carnos Jax]

Currently running an AirPort Extreme in my office as a wired router for our wired network. Though we occasionally have need to use its wireless capabilities. But office is not centrally located, and other end of house receives a weak signal. Thinking of moving the AE to a more central location, so will need to replace the router functionality for our network. Don’t need wireless capability. Assuming a good wired router is cheaper than a wireless equivalent. Any recommendations? Will even look at used options, as we’re not looking to spend much (less than $40 if that’s reasonable). Once I know what model to look for, I can hunt on eBay or Amazon.