"Buy, sell, and trade on the Internet, and become a millionaire overnight!" is an example of a Snob Appeal propaganda technique. A snob appeal is a technique wherein it involves an assertion that you must think and act in a certain way in order to attain a high social status brought by the action. In the given example, it means that if you join them and buy, sell, and trade in the internet, you will attain a high social status which is being a millionaire overnight.
The town has many types of people living in it. There are people coming from different parts of villages also from other countries. Rich poor all types of people including many religions
It is likely that Tom picks Myrtle because he thinks she will be an easy woman to control. She is not wealthy, powerful, or socially connected, so she doesn't pose much of a threat to him. Myrtle also readily accepts Tom's fabricated story about being unable to divorce Daisy because "she's a Catholic."