Even if you have a shorter time horizon, you will forgo significant savings opportunities by cashing out your TSP. For example, if you are 45, your $20,000 will grow to $53,855 in 17 years. Keep in mind that even if you really need the money, you may be better off borrowing from your TSP account.
Here, in NYS, rubber floor mats take a real beating during the winter. I use Hi-Temp tire cleaner (amazing stuff) and a brush to scrub the rubber, a procedure very similar to yours. Dressing-wise, I apply whatever looks good at the time, though, I've been really liking Tropi-Care's White Pearl as of late.
HOW TO CLEAN WITH LEXOL. Keep this in mind: leather is skin. Cleaning and conditioning leather upholstery is very similar to bathing yourself out of a bucket on a camping trip. You need water to do the job, and you need to use the right amount to do the job right. Supplies you'll need: Lexol-pH Leather Cleaner.