Cleaned House - my studio is now very neat and clean (for me anyway) 

I took everything out, painted (whitewash) and then only put back what I needed for painting.
If it wasn't pertinent or useful, it got moved or hauled away.
 
The carpenter that built the racks (below) just happpened to have that shelf that is perfect for my mixed colors.
I buy large jars and mix colors made on location while sketching.