This is guide how to easy and quick get achievement: Finders, Filchers

1. Start new game
2. Go before chest and press QuickSave button
3. Take chest and press QuickLoad button
4. Take chest and press QuickLoad button
...
40. Take chest and obtain "Finders, Filchers" achievement

Achievement:
Collect 40 Moolah chests.

Note: This time is probably only way how to get this on steam play game without break or try this way.