How often should I be posting on social media as a means of advertising?

Darlene, Are you american? or Brazilian? If you work every day, I sugest you, post, every day. Diferent subjects. Like, in instagram, you can make on store in the morning, and another in the evening. One feed per day or wich 2 days. you can post about your product, your organization, your day, your clients. The new products arriving....

Do not forget to put the best hashtag but no to much.