Amazon Prime Day: Does it make sense to sign up for Prime?

There may be Amazon-sized hoopla about the company’s Prime Day, which means the roughly half of the American households who don’t have a Prime membership may be feeling left out.
The deals offered on Prime Day, which started Monday night and runs for 30 hours, are only available to the company’s Prime members. About half of U.S. households participate in the e-commerce giant’s popular shopping program, according to an estimate from digital research firm L2. They tend to b