A price in this range (less than 15% of sales transactions) represents an outstanding deal for the buyer, but the dealer may be selling at a loss due to aged inventory, less popular colors, demo vehicles, etc. A price in this range (generally 30% of sales transactions) represents a great deal for car buyers.
Permanent water spots and stains can appear if you wear leather in the rain before treating it, and leather pieces might lose their flexibility, crack and wear out well before they normally would. Spot test products in an inconspicuous place before using them on your leather.
Drying wet documents is its own specialty but is not at all to be compared to equipment restoration. Thermal, or heat, damage is created by the fire itself which dissipates in all directions. The heat of a fire can affect and melt any substrate if it gets hot enough. The thermal damage in the vicinity usually begins with the opening of pores to the substrates in and around a fire event that starts this heat damage.