Every grandparent loves spoiling their grandkids by splurging on gifts for them and doing whatever they can to make the little ones happy. This only becomes a problem if the parents don’t approve or use the gifted items for their own personal gain.
This is exactly what was happening in one family when the mom kept selling her children’s expensive toys and gadgets, much to her mother-in-law’s disdain. Eventually, the grandma took matters into her own hands by cleverly making her gifts impossible to sell.
More info: Reddit