Watched webinar and must say that really helpful for entrepneneurs who want to start DropShipping business. To start the business effectively good to have TOP3 following apps to be installed on your online store.
Oberlo Shopify App - Import the products directly from Aliexpress site.
PageFly - advanced page builder to create high converting product pages. (Analytics Dashboard is included).
Kit Shopify app - it's like have the assistant in Marketing Department. Run re-targeting with Facebook and Instagram ads.
To start a successful dropshipping store you can give a try to shopify app Dropshipmate.It helps you to import unlimited products into your store with ease and also this app provides with a Auto Update pricing and inventory sync feature.
To build confidence in customers to buy products on your store Product Reviewshelp you a lot as most of the customers look for reviews before making a purchase.
All the Best...
I can recommend one of the most recognized company to do Dropshipping with, Wholesale2B. You can find anything at a really good wholesale price plus it can be synchronized with your Shopify store, I highly recommend you to check it out. Good luck with your new store and congrats.