lose money on (something)
To have some situation, activity, or transaction cost one more money than one initially invested or expected to recoup. A specific number or descriptive phrase can be used instead of "money." Every day we're losing money by keeping this print newspaper running, but the boss adamant that we don't shut it down. Sarah lost nearly $50,000 on that bad investment last year. They lost a lot of capital with their failed entry into the smartphone market.
lose money on something
to have a net loss on something, such as an investment. I lost thousands on that deal. I don't want to lose money on any investment.