Do You Still Self-maintain Your Car?

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Hi all,

My name is Yudhi Hartono and I am a fourth year industrial design student from the University of New South Wales. I am currently planning to design a automotive tool cabinet for one of my uni-project. My market would be the young car owners (25-35 y.o) and this cabinet will be used to store automotive-related stuff such as; hand tools, engine oil, car shampoo, etc..

However I need to ask a question to you guys in order to see if this product has a market for it. For those of you in the 25- 35 y.o age bracket, do yo still perform some small regular car maintenance by yourself? or do you simply use your car and only bring it to the a mechanic/dealership when the scheduled maintenance due?
And also, would you spend your money to buy a cabinet that is made out of plastic or you rather get the metal cabinet?

Any replies will be appreciated.

Regards,

Yudhi