Trying to order Business 5G plan, gateway shipping date was estimated for November?

I manage a network for a tiny non-profit and their office building thats on a fiber line to the main building got snagged, losing them internet. I don't want to pay comcast business prices to get a 2nd line to one building, but Tmobile's 5G is very good in our buildings. Their $70 no contract business line would be perfect to keep a tiny office building of like 4 people going till I get a repairs done. My only issue when I went to order this, it estimated not to ship a gateway till November? I was hoping within a week! Could I just walk into a store and setup a business line and walk out with a gateway?