all pain, no gain;  doing no good and a lot of harm;  having no redeeming features;  being a complete disadvantage; (lit.) a hundred harms and not a single gain
 all pain, no gain;  doing no good and a lot of harm;  having no redeeming features;  being a complete disadvantage; (lit.) a hundred harms and not a single gain
 advantages and disadvantages;  gain some, lose some