Ask your wife to join the forum mothering.com then look up elimination communication
or wool diaper covered and flats. That's what got me through two kids in cloth. My oldest was out of diapers by one and my youngest by two. Wool diaper covers can be made from up cycled materials like blankets or old sweaters and flats out of anything, and I do mean anything. You can buy a skeen of organic bamboo and put in hems and voila cheap absorbat organic... Also omotheering there is a for sale ectio and lots of moms give away diaper stashes for cheap or free. I acquired some of my stash n there and gave it away on there too...