These are the setups to use in extreme! Just to be sure, ONLY USE THESE SETUPS IN EXTREME!
You want to use the Primitive Wood Dropper and Stick Droppers going right into the Crimson Drop Sapper. You also want to add Primitive Upgraders along the way as you get money!
Early-Mid Thousands Setup
For this setup you want to build upon the previous one: 30-50 Stick Droppers
This will get you sticks ranging from $1.82 to $2.52.
Once you have $55k, get Cookie Refiner and put it right before the Crimson Drop Sapper.
Late Thousands/Millions Setup
This is the setup where you switch to Cobblestone Triple Fountains.
Then a Crimson Resampler
This will get you $25.67 per ore.
Next, save up for Crimson Tenth Altar as it will provide you with a huge boost of money - just this one change brings your ore value to $65.62k!