You fold them in thirds and lay them in wrap. The yellow things is a fleece liner.

Wet Bags: To hold dirty diapers in. One to hang on bathroom door, one for diaper bag $27. It is either these or a pail, can cost more or less depending on how cute you want them.Terry Cloth wipes: when we get back to Idaho I will use these with a spray bottle of a cleaning solution. I will buy a 1/2 yard at fabric store and zigzag edges. $3
Total start up cost: Approximately $160 for this option. Can be much more or a little less.
Pretty much the only way to be cheaper would be to use diaper pins, a garbage bag, and old fashioned plastic pants like my mom used. No thanks. Those look so uncomfortable.Cost to diaper one kid for 2-3 years in disposables: $1,500-$2,250
Ok so there are the energy bills, but at our apartment in Pocatello, utilities are included in our rent! Ok, and there is detergent, but you use only about a tablespoon of detergent to wash them. And you wash them about 2-3 times a week. Two times per load.
Here are 2 of the many sites I looked at to get information. They also sell everything you would need.
http://nickisdiapers.com
http://www.kellyscloset.com