Controlled and banned items. In addition to firearms and ammunition as described on this page, stun guns, tear gas sprays, knuckle dusters and extendable batons are also classified as banned items by the laws of Hong Kong no matter if you are arriving or just transiting at Hong Kong.
Keeping this in consideration, can you bring fruits into Hong Kong?
While fruit is not specifically banned from import, going through the link provided above you find this:" Under the Plant (Importation and Pest Control) Ordinance, Chapter 207, Laws of Hong Kong, it is illegal to import plants, plant pests or soil into Hong Kong without a valid licence / authorization issued in advance
Secondly, does Hong Kong have import tax?
Hong Kong is a free port. There is no customs tariff on goods imported into Hong Kong. The HKSAR Government collects an excise duty on only four types of goods irrespective of whether they are imported or locally manufactured, namely, tobacco, hydrocarbon oil, alcoholic beverages and methyl alcohol.
Can I bring alcohol into Hong Kong?
A passenger aged 18 or above is allowed to bring into Hong Kong, for his own use, 1 litre of alcoholic liquor with an alcoholic strength above 30% by volume measured at a temperature of 20℃ exempted from duty. If the passenger holds a Hong Kong Identity Card, he must have spent 24 hours or longer outside Hong Kong.
How many times can I enter Hong Kong?
There is no official limit to the number of times you can leave and re enter, but Immigration tend to become very suspicious if you do it too often, and depending on whom you get at the counter, if you end up doing it once to often without adequate reason, they may refuse you entry or shorten the entry period