Just checked the cloudcitydrone.com website. It's the only seller of new parts for the Neo that I can find. $29 per motor. OUCH! Don't loose your gimbal cover. $18 per cover. OUCH, OUCH! Aircraft main body cover if needing to replace it and/or propeller guards is $29. Not too painful.
Mobula8 motors are significantly less at ~$10 each. But, we are assuming they will not cause any issues with the NEO's ESC. Bummer to have a brownout or worse. The good is with the Mobula8 you can experiment with a variety of brands and designs of propellers. Have no issues with the stock props. Cost is bit on the high side. But $5 vs. $2 for a set of 4 non-dji brand isn't much.