Totally agree. Watch a course like this, read something like Calculus Made Easy by Silvanus P. Thompson, and then work through all the problems in a book like C

Totally agree. Watch a course like this, read something like Calculus Made Easy by Silvanus P. Thompson, and then work through all the problems in a book like Calculus Workbook For Dummies. Watch Khan Academy to fill in any areas where you're struggling.