You won't know unless you try. Assume you can do *anything* - because you can! You may not be ready to do it yet, but don't set up mental blocks in advance. You can create your own profitable items, sell them well, and have others selling them for you. You can operate a range of websites, even host seminars, or teach others. YOU CAN.
Pretend that your Canadian customer has bought a book from you from your Canadian website. Your drop ship supplier is located Pure Stevia Leaves Helps in Diabetes the United States and is registered for G.S.T. You fax your order to the American company, and they, in turn, ship the book for you (complete with Customs Declaration and their G.S.T.
If this was true, only businesses that charge cheap prices would exist. Some people buy where they get the cheapest price. But most people are more interested in getting value for their money than in getting a bargain.
One of my daily habits that is the foundation of my life is spending 1-2 hours each and every morning feeding my body physically by exercising and feeding my mental spirit by reading or listening to a view publisher site motivational message. This habit warms me up for the day ahead.

Tip: Try to limit your customer's decision making to either "Yes. I'll buy." or "No. I won't buy". Don't risk losing them by including "which one" decisions.
Have fun describing yourself without making excuses about why you're on the site or who convinced you to finally go online. Tell us what makes you unique.
Don't hesitate to ask for a refund if you truly feel the product was misrepresented. Educate that marketer about what you feel was wrong. If they don't improve, they deserve to give all their money back. Just don't be one of those awful people who buys an expensive product KNOWING they are going to ask for a refund. That's the same as stealing and is unethical. If we want the convenience and gratification of being able to immediately download what we have purchased to continue, we can't bleed the online merchants dry.