Owning a car you actually enjoy driving makes routine costs like gas, tires, and maintenance sting a little less. But factory leather options often add thousands to a car's purchase price or force you into expensive trim packages you do not want. If you already have the car, mid-summer is the best time to look at upgrades because upholstery shops hit a seasonal lull and have lower job volume.
A quality aftermarket leather upholstery kit runs about $1200 installed. When you treat the interior upgrade as its own line item and negotiate the labor separately from how you pay, you keep full control over the total price.
A 0% intro APR is a firm deadline, not free money. If you still have a balance when the 15-month window closes, the card's standard variable APR applies to what is left, and those interest charges can wipe out the savings you negotiated on the installation.