Harvest Yellow Only Strategy
440c investment for 20 maps total with a return of 20 - 30 divs an hour.
That means 22c investment (map, scarabs, fragments) per map, and always leave with much more currency at the end as long as you are able to complete the maps. (yellow harvest monsters)
POE 3.28 Mirage Currency Harvest Farm
Music is from the youtube channel NCS (no copyright sounds)