Ideas for IAD,how to make more money

Can somebody give me any idea for IAD any idea?

First, find good player connections
Accept L,X planes from random contract
Buy local contracts from Philadelphia, Charlottesville
Norflok etc which have flight time like 18-20 mins which will help you to get regional then go for L\X planes from LAX, Anchorage etc…
Buy planes coz they earn a lot then
start grinding silver planes