Apologies in advance - I don’t have a lot of experience. I have a Smart Hub 2 and a wired Ethernet to a distant part of the house. At the end with the SH2 there are a few black discs which give good coverage. I want to cover the other end of the house which needs some other hubs for different devices so need Ethernet ports. Can I buy a second SH2 to physically connect to the first by a cable and plug the other devices at the far end into that second one? Will this work? Is this the best option? Thanks again .
Plenty of other options by using a wireless access point.
Indeed, it's fine to repurpose a hub as a wireless access point if you have one lying around, but it wouldn't be the first choice if a purchase is required.
What options would you recommend for something simple?
Almost any router can be repurposed as a wireless point so try it out. It will take a bit of reconfiguring. Read the start of this thread which explains how to do it https://www.avforums.com/threads/faq-using-two-routers-together-extending-wi-fi.1554662/