Property Manager Fees -AirBnB

[Joe Kern]

Hello All - just finished setting up and putting my first short term rental live on Airbnb. I just rented out most of the previous month , and agreed to pay the property manager 18% of the booking fee host payout so net of any guest service fees or occupancy taxes airbnb takes.  Now - I just noticed they are taking 18% of that (total payout)  which is inclusive of cleaning fee + nightly room fee (which is fine). But  They are also taking the full cleaning fee as well separately …is this normal practice? I feel like now the effective rate is much higher than 18% (closer to 30% +)  we agreed on… since they are taking 18% of the net total AND the cleaning fee sum. Any guidance would be helpful thanks!