You can find various styles, from heavy-duty metal racks to overhead storage, at major retailers:

Is It Cheaper to Buy or Build Garage Shelves? - StorageSmart

: A good source for budget-friendly and adjustable wire shelving units, such as Amazon Basics . Choosing the Right Style

: These are versatile and can be placed anywhere in the garage without being attached to walls. Best for heavy duty : The Gladiator Heavy Duty Rack Go to product viewer dialog for this item. can hold up to 2,000 lbs per shelf.