YouTube Advertising Expert

We are a Ecommerce company. We are looking to get traffic to our website by the use of YouTube Advertisements. I want to be able to promote my Video Ads to the right audience focusing in the E-Commerce niche.
When applying, please answer the following questions:

1. What is your experience with running YouTube Video Ads?
2. Have you used in stream ads?
3. How would you target the advertisement so that it is getting to the right target audience?

Thanks!