-lrb- 1 -rrb- the price be right , I check other source and Amazon be the best . -lrb- 2 -rrb- delivery be as promise -lrb- 3 -rrb- the product be as advertise -lrb- 4 -rrb- it only take a maximum of less than 10 minute , and you feel like you have have a full upper body workout . -lrb- 5 -rrb- it take a little get use to , but real soon , you be do it like the instructor demonstrate on the dvd .