wake-up call - sudden warning⏎
volatile - excitable, transient, suddenly changeable⏎
smart - intelligent, clever, advanced (technology)⏎
ruin - damage, spoil, make someone lose all their money⏎
risk - danger, peril, chance, speculate⏎
strife - contention, a quarrel, angry disagreement⏎
upmarket - expensive, dear, good quality⏎
voluntary - uncharged (fee), offered, done willingly⏎
upbeat - positive, enthusiastic, optimistic⏎