I work for a company part time and run a small business part time. Do I report my business as "other income" or separately? How do I to report my business expenses?

Your business income and expenses will be included in the Self-Employment/Business section of your return. Your business activities are separate from your employment. There's a great webinar available for self-employed individuals who would like to learn more about filing personal taxes with business income. You can check it out here: https://attendee.gotowebinar.com/register/1919202340975793164?source=care

TurboTax Self-Employed is the perfect solution for you. Along with the "usual" info that relates to your job, you'll also have step-by-step guidance through the business section to make sure you don't miss a deduction. 

Here's the link to get started: https://turbotax.intuit.ca/personal-tax-software/self-employed-online.jsp