I was reluctant to purchase the 2 bases also (for both washer and dryer to sit on, which should also make it more stable and prevent the vibration, unless of course our floor is uneven--haven't had any problem with that sort of thing in 20 years with our Maytag including the last 10 at this house). What detergent is good? I read it takes a lot less detergent. Looking so forward to getting them. Thanks for the great review.