Perfume value
Cheap vs expensive perfume difference
Cheap and expensive are price descriptions, not reliable formula categories. Compare the actual fragrance, size, maker, presentation and selling terms rather than assuming one price tier always smells better.
A HUME Fragrance buying guide

Match the product facts
Different sizes, concentrations and versions cannot be compared by price alone. Save the exact listing details.
Avoid ingredient guesses
A retail price does not disclose raw-material quantities, natural content or production costs. A notes list describes scent rather than a complete formula.
Compare wear and preference
Record later enjoyment separately from presence. Neither cost nor intensity guarantees that you will want another wear.
Try this before you buy
Compare two exact products using identity, volume, delivered price and your own later-scent preference.