Given the different possible distribution channels for premium high$-$end condominium such as direct sales, in$-$house online platforms, real estate brokers and sales agencies, partnership with international brokerages, community group buying, financial institutions $-$ what is the cost to serve considering $1)$ Reach$/$ coverage, $2)$ Control level, $3)$ Customer experience, $4)$ Profit potential, $5)$ Brand alignment. $6)$ Operational complexity, $7)$ Technology requirements and $8)$ Investment needed.