Computer peripherals and Car parts (Surplus) supplier?

Hi Guys,

Planning to start my own online business. But, I would like to ask if you could share where do I need to start?

Since it's online. I'm looking for suppliers can provide the below details.

Computer peripherals
1. Hard disk
2. Memory
3. External / Enclosure
etc

Car Parts: (Focus on honda part from japan)
1. Wheel oem / momo original
2. Sidings
3. Door handle oem original
4. dashboard
5. spring / shocks
6. OEM parts

Thank you