Please help me…….

Hello Sir,Mam & my all friends....

      I want to start my electonic store.Where i will sell a to z electronic items.this is B 2 C & C 2 C business plan.This would be a first place of the city where customer can come & exchange these gadgets which each other.on every deal we charge 5% comission from our customer for service provide.& they also can buy new gadgets from us.
                 Now lets come on main point.All my investor who invest or donate in my business.i will repaid all money to them in 5 year with 20% return...Yes with 20% return...
                                                                                                 Thanking you