CELL SPA BILAL SHAIKH (BOTH FATHER AND SON), ROHAIL SHAIKH, TAHSEEN, DANIAL INVENTORY FILLED WITH STOLEN PHONES (DAILY PURCHASE OF STOLEN PHONES ON STREETS BY ADVERTISING ON CRAIGSLIST) HOUSTON, Texas

these people purchase their inventory on streets in bulk ,brand new or used. 90% of the inventory is stolen by identity theft or carrier shipment items misplaced. 

How can I tell?

(i)Brand new sealed Items are sold for enormously less prices then the wholesale price of the manufacturer itself. how is the company running for years if selling items for loss?
(ii) Almost all employs are paid on cash which is direct stealing of taxes and they are all okay with it cause they are involved in this setup which earns them more money.
(iii) will never provide authentic invoice with serial number of the product sold to ensure that they are not providing any one the proof that they originally sold the product.
(iv) frequent advertisement of " I BUY PHONES" by 832 398 3400 bilal shaikh with fake names 
(v) frequent advertisement with several prepaid numbers activated with fake names.
(vi) stealing taxes by charging customers more then state tax 8.25% in the name of cellular tax with no authentic invoice. (hand written universal invoice book which only states the total amount paid)