美国

• Ticket scalpers outside major attractions.
• Fake homeless people with elaborate stories — common in NYC and LA.
• Rental car damage charges — photograph everything.
• Timeshare presentations disguised as free activities.

• Healthcare is excellent but EXTREMELY expensive. Travel insurance is absolutely essential — a hospital visit can cost thousands.
• Pharmacies (CVS, Walgreens) are everywhere.
• Tap water is safe in most areas.

• Routine vaccines only. No special requirements.

• Road trip — the US is built for driving. Route 66, Pacific Coast Highway, Blue Ridge Parkway.
• Visit national parks — Yellowstone, Grand Canyon, Yosemite, Zion are world-class.
• Try regional food: BBQ in Texas, seafood in Maine, Tex-Mex, deep-dish pizza in Chicago.

• Don't forget to tip — 18-20% at restaurants is expected, not optional.
• Don't underestimate distances — LA to San Francisco is 6 hours driving.
• Don't jaywalk in some cities — you can get fined.

Tipping is MANDATORY in practice. 18-20% at restaurants. $1-2 per drink at bars. 15-20% for taxis. $2-5 per night for hotel housekeeping. Not tipping is considered very rude.

Very casual. Americans dress down more than most countries. Jeans and sneakers are acceptable almost everywhere.

Christian majority but extremely diverse. Every religion represented. Very secular in daily life in most cities. Bible Belt (South) is more conservative.