Extravagance dream meaning is explained below using 5 different sources. Each interpretation is shown with its source.

Interpretation 1 — Stearn Robinson - Tom Corbett

Oddly enough, this is not a dream of contrary but predicts domestic happiness and an abundance of all the good things in life.
Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett

Interpretation 2 — Gillian Holloway

If you dream of paying more for an article than you can possibly afford, it is an augury of happiness within the home circle.
Source: The Complete Dream Book Author: Gillian Holloway

Interpretation 3 — Joan Seaman - Tom Philbin

Excessive outlay of money indicates a need to make up for one’s insecurity, to enhance one’s image of oneself.
Source: New American Dream Dictionary Author: Joan Seaman - Tom Philbin

Interpretation 4 — Internet Archive - Anonymous

An omen of happy domestic surroundings.
Source: Mystic Dream Book Author: Internet Archive - Anonymous

Interpretation 5 — Ibn Seerin

(See Luxuries shop)
Source: Islamic Dream Interpretation Author: Ibn Seerin