Today I wanted to 过关 (cross the border), and so I hopped on the usual 班车 (shuttle bus) to the border station.  There I noticed a sign saying that you couldn’t carry more than  2000支 cigarettes.  For purchasing bus tickets into the city, you can use 八达通 (octopus card) which is similar to Beijing’s 一卡通 (yikatong stored-value card).  Once you’re through the 口岸 (port) and have nothing to 申报 (declare), you’re pretty much in the clear.  I haven’t yet noticed stronger border controls due to 国庆 (national founding holiday) but we’ll see what happens as October approaches.  In the meantime, I’m enjoying my new 一卡双号 (1 card 2 numbers) phone which switches between sides of the border so I can’t be charged for 漫游 (roaming).
words

过关 guo4guan1 – cross the border
班车 ban1che1 – shuttle bus
2000支 – 2000 cigarettes (measure word)
八达通 ba1da2tong1 – octopus stored value card of HK
一卡通 yi1ka3tong1 – similar card in Beijing with limited rollout
口岸 kou3an4 – port
申报 shen1bao4 – report
国庆 guo2qing4 – country’s anniversary
一卡双号 – yi1ka3shuang1hao4 – 1 card 2 numbers
漫游 man4you2 – roaming