if you are local of the locality, conveniently you can rent a piece of land parallel to highway or an artery connecting to highway. a vehicle service station with a convenience store and food joint catering to cater ' Coasters, Hi_Ace & Private taxi passengers only ' can get you reasonable ROI [ return on investment ]
for service station you need a RAMP not lift, water source from boring & storage tank with a industrial steam washer. If power shortage is an issue you may opt for solar panels to charge batteries and run electrical appliances through the inverter. It will be a ONE TIME substantial investment but result in zero electricity Bill.
am in process of acquiring a 4 acre piece of land with help of a local at 78th km north ward track from Gawadar over CPEC highway, If all stay stable, The lay out plan sketches are almost complete. It is only matter of time before ground work will start. built up structure will be totally powered through solar panels & battery bank