There were itinerant photographers that traveled around taking pictures and then returning to sell them to the store owners. I have several of my grand mother's store; the earliest is 1909 and then two others from 1920.
The early one is below.
The really old guy seated is my great grandfather......... civil war cavalryman.... My grandfather is standing in the back as is my grandmother with my dad's oldest brother in arms.'
Thanx for the posting
Electricity...... damn useful stuff ! ! ! !