How do you define "major purchase" or "major item" for the sales tax deduction?

When we ask if you bought any major items while living in your state, answer Yes if you purchased:

• A motorized vehicle (car, truck, RV, motorcycle, etc.—sorry, no mopeds).
• An aircraft, boat, mobile home, or manufactured home, but only if you paid the general sales tax rate (otherwise it doesn't apply).
• Building materials for a major renovation or substantial addition to a home, if you paid the general sales tax rate yourself or your contractor was authorized to purchase these materials per your instructions or building contract.

Otherwise, answer No, even if the items you purchased were expensive or really big.