need a set up with routers and adapters for wireless inter of an range of 3- 4 miles

im new and 16 but i have a problem u see i have relitives with high speed internet thats 3 1/2 -4 miles away but.,..

i dont know what to buy for long distance

i hate things that cost alot like 1000 dollars

must have good latancy for gaming

must be able to upgrade to longer distance

and must beable to conect my brotheres house which is 500 -1000 feet
down my drive way (his house is near the end of my looong drive way


could you all ist what i need to get going for wireless internet of my range

oh ya list some attenas and things that that would give me this range that would work with linksis wrt54gs router



make sure i can conect 5 computers with the new routers you tell me off.