If they're anything like the contents of our kitchen cupboards, half the tins are fished out to discover they should have been used 12/18/48 months ago!
When I ever get to the stage of building baseboards, I want to try adding a saw-blade thickness shim between baseboards when track laying, so when the rails are sawn and the baseboards reassembled, the gap closes up. Thats my theory... anyone tried it in practise?