If the majority of shoppers in a physical store, walked in, loaded various items into a cart, pushed the cart to the register, and then left, the store manager would be justifiably alarmed.

In fact, depending on which study or survey one trusts, something like 70 percent of online shopping carts are simply abandoned.

The highest reported rate was 80.3 percent from a 2012 survey from Rejoiner, an email service company.

If all unexpected costs were eliminated from ecommerce checkout processes everywhere, there would still be other issues to contend with.

A March 2016 cart abandonment article from KlientBoost, a marketing and design firm, described a Cincinnati-based florist s website.

Most items on the site include some form of free shipping, but when free shipping is not an option, Amazon includes a precise shipping estimate, taking the unexpected out of shopping.

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