Travel Hack: Baku City to Airport. Easiest and Cheap way

I am here to tell you what others don't tell you how to travel cheap from Baku City to Airport.
I have hardly spend less than 3 mannat to reach Airport in 1 hr.
Walk to Nearby Metro Station and really Korugulu Metro Station. charge 1 mannat.
walk 2 min and reach Near flyover and on 2nd lane get H1 Bus red color Volvo Airport express Charge 1.2 mannat
to reach airport on gate.