Answer:
A thesis statement:
tells the reader how you will interpret the significance of the subject matter under discussion. is a road map for the paper; in other words, it tells the reader what to expect from the rest of the paper. directly answers the question asked of you
The answer will be answered if there’s more info, Sorry
The focus change is in the point of view; first, she thought that she did her first sale and was ready to do it, as nobody opened, she thought there was nobody at home. Then, she changed her point of view because she thought to return and that she wasn't a good salesperson, however, she knocked on the door again with a smile on her face.
"As of noon Wednesday,..." That one. The others are too familiar or 1st person.
There is quicksand in the area.
