Is Costco Stock a Long-Term Buy?

Costco (COST 0.33%) has been an outstanding holding for investors. In the past 40 years, shares have climbed 14,540%, crushing the S&P 500 index. Including dividends, the gains are even more impressive.This top retail enterprise has many attractive qualities that can draw in investors looking to own a great business. But is Costco a worthy long-term buy right now?Costco's advantagesCostco is a top-notch company. It has become a favorite among consumers looking to score huge savings on a variety of merchandi ...