Dumbbells are wonderful tools to use to try strength training at home or in the gym. Many folks prefer getting dumbbells one by one as their body becomes stronger. But if you are planning to build the ultimate home gym, you could use this Heavy Duty Dumbbell Set with Rack from Body Solid. You get 5-70 lbs pairs of dumbbells for your workouts in addition to a 3′ x 4′ rubber floor mat. The whole kit has 28 dumbbells in total for you to take advantage of. They are commercially rated.
The kit also includes the GDR60 dumbbell rack. It is not cheap, but you get a lot for your money.