it's just considered marketing cost. they might not make $ from Bob, but they increase their client base by 1 any non-referral users, SweepIQ still keeps their

it's just considered marketing cost. they might not make $ from Bob, but they increase their client base by 1 any non-referral users, SweepIQ still keeps their amazon profit (and uses that to pay for the gpu's) + in future they might add another monetization, so perhaps Bob will pay $15/mo for SweepIQ Premium