General Shopify store with traffic from FB Ads and Instagram

Hi guys, so I’m at my first follow along.

My background:
I’ll introduce myself a bit: I’m 20 years old and I live in Italy (which is not my target GEO for the shop), I’ve a large experience in Facebook Ads and worked with clothing shops (before) and brands (after) for almost 5 years now.
So I’ve a great experience on ecommerce, but only for women and men’s clothing.

Why I don’t want to work for others anymore:
I’ve a LCC in Miami too and I work as a project manager for clothing brands, but now I’m tired to follow everyday at the phone or via skype my clients, so I want to create a dropshipping business with no clients that can bother me and make me waste time.

The store and the methods:
So I decided to create a general shopify store: www.lasttrendstore.com where I’ll use two different methods to sell products (that are even the most known):
1) Just Pay Shipping: especially when my product costs under 5$, I’ll give away my product for free, letting the costumers to pay only the shipping.
2) Free Shipping: simply no costs for shipping, I’ll apply this especially for products over 5$ of costs.

The plan:
The store will be absolu ...