sdncustom update

my site is sdncustom.com in shopify
i need to make it look more profesional(logo,apearance, maybe not as visual the Made in CAnada if i want to sell in the Us..
setup shipping from Canada to Us that can be easy for custom papers
put specific box sizes for specific products.because of shipping customers sometimes dont buy
put a custom section that people can choose the product upload files(recognize the right files)

examples of sites in my field that i like. conde.com
i intend on adding 10 new products in the next month that i will sell plain and offer also a print service