cheapest Prices of parts you cant really avoid.
Turbo = 700+
wideband = 150+
injectors = 200+
tune = 500+
fuel pump = 150+
maf = 150+
wg + bov = 400+
oil change= 50+
intercooler = 400+
manifolds/hotside piping/coldside = ???
exhaust= 200+
vacuum lines, oil lines, oil drain
things you might need
blanket/wrap/coatings = few hundred
trans = 500+
rear = 1k
clutch/torque = 300
tires = 400