I have an iPad/digital pen.I have a fibre optics connection of 50 mbps.I share the best online whiteboard which has a lower latency.I also give one to one classes and analyse the students by giving test frequently.I teach taking under consideration students pace.I teach Algebra,Trigonometry.Precalculus.SAT.I always make sure to complete the work of assignment well in advance before its due date.I try to look at the syllabus at the start of semester and make note of major assignments.I create a weekly schedule.I give them enough worksheets for practice and see that the are perfect.