Answer:
people were buying radios, cars, vacuums, beauty products or clothes
people were able to buy more because the expansion of credit in the 1920s allowed for the sale of more consumer goods and put automobiles within reach of average Americans
I'm apologize but I do not know the pros and cons much but maybe
pro-money was coming in fast for some (maybe?!?!)
cons-the economic system was moving to fast (maybe?!?!)