Prime Day, cometh.

Amazon's (AMZN - Get Report) two-day shopping extravaganza kicks off on July 15 and will continue through July 16. Some analysts expect this year's sales to be upward of $6 billion. 2018 sales are estimated to be over $4 billion.

While most consumers certainly know what Prime Day means for their wallets (ouch), how should investors approach Amazon's Christmas in July?

Here's what TheStreet founder and Action Alerts PLUS portfolio manager Jim Cramer said during TheStreet's daily Cramer Live show:

Speaker 1: (05:09)
"Stop the trade where you buy Amazon and sell it to Prime--to the day. That was a trade that was good at the beginning of the week and was good at last week. I even told people to do it. for Action Alerts PLUS. But it is late," Cramer explained. 

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