What do you like best?
Well organized by subject, standard, topic, etc.
What do you dislike?
Some lessons are of higher quality than others, but you usually have plenty of choices for what you want.
Recommendations to others considering the product
Preview resources before assigning to students to ensure alignment with targeted standards.
What business problems are you solving with the product? What benefits have you realized?
Offers different takes on presenting a skill, standard, or topic to students, especially in math where so many different methods are required by common core, many of which you might not be familiar with.