1 = Create item manipulation service.

For example: Car x plus sell ready to Game offer engineering service to provide all its controls and functions of speed and maneuvers and sounds of Carrro x ready delivery of the model to be used and adapted in Game.

2 = Create categories specific to model types.

For example: Items for farm

create items of all kinds that are rural everyday

Items for companies

create items that are specific types of companies such as data centers, supermarkets, financial banks, oil companies, etc ...

This is good

They are very good proposals.