Opening White Flare Pokemon Center Elite Trainer Box (Exclusive) returns about $70.12 in card value against its $238.09 price — roughly $0.29 back per dollar spent. On current prices, you lose money on average by opening it.
See every card and pull rate in White Flare
How expected value is calculated — card value only, from published pull rates and daily market prices.
White Flare Pokemon Center Elite Trainer Box (Exclusive) on TCGplayer