the costly item vs the higher-cost message

Examples:

• The costly item in the store was a designer handbag.
• She couldn't afford the costly item on display.
• The costly item turned out to be worth the investment.
• He purchased the costly item as a special gift.
• The costly item was out of reach for most customers.

Alternatives:

• the expensive item
• the high-priced item
• the valuable item
• the premium item
• the luxury item

Examples:

• The higher-cost message was sent via express delivery.
• We need to prioritize the higher-cost messages for immediate response.
• The higher-cost message contained urgent information.
• She chose to send the higher-cost message for faster delivery.
• The higher-cost message was worth the investment for the quick response.

Alternatives:

• the more expensive message
• the pricier message
• the costly message
• the premium message
• the high-priced message