This just takes a little bit of time and some cheap ingredients and you will have made you & your family some inexpensive gentle soap to do laundry in.
Homemade Powder Laundry Soap
1 bar of Ivory Soap, grated
1 C Borax
1 C Washing Soda
Mix them all together and store in an air tight container (re-use some plastic container that would have been thrown away). Use 1T for a front loader and 2T for a top loader.
That's it! How simple was that!