Sam 's Club , started by Sam Walton , the Wal-Mart founder , in 1983 -LRB- the year Costco opened -RRB- , relies on a simple model : buy and sell products in bulk , charge little more than the original cost and earn profits from annual membership fees .
Wal-Mart /business/company/founders Sam Walton
Sam Walton /business/person/company Wal-Mart
NNP POS NNP , VBN IN NNP NNP , DT NNP NN , IN CD -LRB- DT NN NNP VBD -RRB- , VBZ IN DT JJ NN : VB CC VB NNS IN NN , NN RB RBR IN DT JJ NN CC VB NNS IN JJ NN NNS .
Wal-Mart
ORGANIZATION
Sam Walton
PERSON
/business/company/founders
Sam Walton
PERSON
Wal-Mart
ORGANIZATION
/business/person/company