Early chance to buy discounted goods

• Early deal
• Exclusive event before public availability
• Select buyers' event
• Order before it's available
• Advance markdown
• Chance to get good seats, say
• Special customer event
• Event for special customers

Wiktionary Word definitions in Wiktionary
n. 1 The sale of something privately, before it is available to the public 2 The sale of a property before it is built