What is the cheapest way of doing import export Business in UAE? Can an expat get a start up Finance in UAE,with a small Capital of Cad$20,000?

The investment looks very low . Generally for getting commercial trade license for import & export costs you around 145,000 Dirhams. 

1. By hiring rented 3PL logistics you can solve of storage and delivery of goods inside UAE

2. Make a business corroboration with some small general trading company for exporting your goods outside UAE

3.  get a local sponsor for investment and trade license will be a best idea