Because of his poor health and inability to work in the hot and dusty environment of the sales rooms, he left the business after a few years.
He visited England briefly and when he returned, on the advice of his doctor, explored outdoor selling in Millet between 1913 and 1915.
Alice Bullas was born in England and migrated to Canada, ending up in Calgary with her parents and eight siblings.
In 1919 Mitchell heard of an opportunity to buy a large tin-clad building on the main street of Millet with an office and living quarters above.
He defeated incumbent Douglas Breton in a hotly contested two-way race by 60 votes to pick up the district for his party.