Printful
print-on-demand + order fulfillment, so you don't have to deal with inventory

Creative Market
for fonts, graphics, themes, stock photography, and mockups

Canva
easy + free website where you can easily create graphics for your blog, social media, and more.

Quickbooks
for easy accounting + bookkeeping

Etsy
for starting your own handmade business.
(the link above gives you 40 free listings)

Shopify
for starting your own eCommerce business website
(the link above lets you try it for free for 14 days)

Squarespace
for starting your own blog / service website

Canon G7x
the best camera for vlogging