I only got replies from my wc atty when I sent him a fax.
but he didn't really answer my questions when he called me to reply

But it was handy to have a fax at home for other things that came up - bills, drs notes/updates, restrictions notes- saved a lot of driving and running around.
You can get by with just one phone # if you mainly use the fax to send and not receive.
If you know when one is being sent to you -you can plug it in and just use the phone on the fax machine until the fax arrives.

I just picked a nice looking one up at Goodwill and it had the manual with it- worked fine - but the prices have come down a lot for the new ones- they are smaller too.
The all in one things are handy too - scan papers, print, copy, fax etc.