I prefer 15-day to 3-day of notice.
Less than 3 days you can always ask but no guarantee.
More on Twitter
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HK/Shanghai - don’t really have a schedule. I can be there at any time.
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September:
北京地区BEIJING 1-5
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October:
Singapore 9.29-10.4
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US
Dec. 25-Feb. 1 *rough dates
**I’ll only visit pre-arranged cities. Let me know your interest + location and I can plan. Please don’t ask me later when I will be returning. This is the dates.**