i just want to make sure this is going to work before i do it. i'm happy to listen to other suggestions as well.

i was supposed to move on april 1st, but it fell through, and i wasn't able to sign a lease in time, so after dragging my feet with my now previous landlords for about a week, i now find myself sleeping in a hotel and will have to stay here until i can sign a lease, which i certainly hope is may 1st. i'm a casualty of the housing crisis.

i have about 20 computers, most of which are now in storage, but i took three laptops, two routers and a voip phone with me. my home network is entirely wired. normally, it would send an ethernet cable from the cable modem into the first router, and then into a second router. i had to do this because my neighours had figured out how to hack the router via the cable connection, and were breaking into my music streaming device and downloading my flacs (fairly benign in principle, but they didn't ask, and they could have done something worse). making them guess two randomly changing static ip addresses was a tough math problem. it worked in blocking them.

the hotel does not have an rj-45 connection, but it has free wifi. right now, i've put the wireless chip back in this chromebook, but i don't like this, it feels unsafe. i want to take it back out and park a wifi to rj-45 converter in between the subset of my home network i have with me and the hotel's wireless network. i don't want to be here very long so i want this to be very cheap (20-30 cdn dollars), but i also figure it's something i should have in my toolbox in case i need it again. the wired ethernet router that that wifi to rj-45 would be plugging into the wan port of is a dlink wbr-2310 (very old, which is an asset, as it lacks serious wifi capability).

some online searching has suggested to me that i should be able to use the TP-LINK TL-WR841N, which is available online in the 20-30 dollar range right now, in range extender mode to grab the hotel's wireless and turn it into a media bridge device, but all of the workthroughs i've seen have it connecting to wireless devices, despite the existence of a four port wired router in the device. this is exactly the kind of thing you'd reasonably just assume should work, so you buy it blind, and realize it doesn't work when you get it home. to the extent that the range extender uses the existing wireless network rather than create a new one, i'm a little apprehensive about not asking.

has anybody actually done this? does it work? should it work? am i missing something about wireless-wired compatibility?

if you have other suggestions about how to get a device that can take a wifi as a wan for a strictly wired lan, i'd like to hear them.