how to make online buying and selling system?

Questions & Answers
1

hi
I want creating a auction house type system… player can post items up while other players can bid / buy out then after set time they recive the item they purchased.

i want to know should i create the server globally or should i maintain the device itself as server .

is there any tutorial or video which is releated is helpful for me?

thanks in advance

2

The way I would do it is host some web services on your server that talk to a database.
Via Unity you can then make these web service calls, to your online server.

Take a look at this page on the wiki for more information on consuming web services with Unity.