This will engrain the 'hand before foot' rule. Silicone auto lube scubbed into blades will help against rust. Wipe off excess. Besure you use the right length tip screws - there are two distinct lengths. CLR cleaner works well to remove rust stains from jackets.
Oxallic acid works but is too strong for some materials.
Occasional Mink Oil preserves gloves alot longer. If you can't afford new sneaks right now, clean old soles with brush and detergent, then draw designs with Shoe Goo all over for new traction. Even worked on mesh strips for quite awhile. Carry instant glue for emercency wire fixes at tourneys. Label all equipment.