Opening a coffee shop is a lifelong dream for many people. Most of us have more or less read such entrepreneurial stories in magazines: Old Wang finally accumulated enough savings (and enough courage), quit his job, and was ready to open a small coffee shop of his own. Old Wang drove around several roads; he saw a Starbucks on one road, a Dante Coffee on another... and two old shops that had been running for thirty years on yet another road... Finally...