I am a leader in many instances and in some I am a manager. I think the biggest take away is knowing the difference  and not being ashamed to ask for clarification.

Leaders are not born, something that has been told over the years but clearly not the case. Definitely  something to take in

The several myths about mangers 

No matter how small your company is Onboarding and Orientation is huge part of your new employee's success. 

Honesty is key when hiring. Informing the candidate of the realistic expectations of the job is the best strategy. Many times, you will see unhappy employees when they are told what they want to hear rather than what is expected. 

Job(s) advertisements should enhance the employers branding online when using different venues. You also want to ensure that you are optimizing the company's site if there is a section for employment and engaging content. 

Job analysis is important because it will help you in the development of your job description as well as fill the gaps that are needed, to better your team. Observations and interviews are highly important to ensure that the individual does align with your company and the staff, as well to see if there is any training needs prior to hiring.