I feel for you. I have MGUS - spike at 1.7 and was diagnosed in January.
This all started for me in October with what hit me like a bus. I had Ulnar entrapment surgery and two weeks later this strated.
I started having tingling and pain in my feet, then tingling in the legs, then I would wake up and one leg would be numb, then some night a knee or a foot would hurt so bad it felt like it had been crushed. I had nausea, tremors, twitches, trouble swallowing, my teeth hurt....then after multiple docs, one spotted the protein.
Now, I get pain in the feet(soles) but suddenly I get this pain in the hqnds and forearm, wrists, etc. I trie dto work out the other day and it felt like my wrist was going to crack in half. I had to stop. :-(