mis-sell 
(mĭssĕl′)
(mĭssĕl′)v. mis-sold (-sŏld′), mis-selling, mis-sells
Chiefly British
Chiefly British
v.tr.
To sell (a service or investment) to a customer in a deceitful or misleading way.
v.intr.
To engage in fraudulent sales practices.