Set a budget and make sure your have the funds available
Decide the length of your visit. Make sure it fits your budget and if have the availability
Book Your Trip: Travel and accommodations
If your an employee, Submit vacation time with your employer (if needed). This allows them to set up a temporary replacement if needed.
If you have a business, inform your customers / clients of your business status during your vacation.
If there is someone that lives in your travel destination you plan to see, contact them in advance. Don't pop up on them unexpectedly as it may be an inconvenience to them or they may not be home.
Set up Home sitter, pet sitter, and baby sitter.
Scan your documents and email yourself a copy
Get all necessary Immunizations
It's a good idea to learn as much about the destination your traveling to. Doing this will make for a better travel experience.
Things You Should Know Before You Go:
Know the local currency and it's value compared to your home currency.
Try to learn the language.
Seasons and weather prediction.
Possible safety issues and unsafe zones
Latest news stories about new changes, laws, or turmoil.
Learn the local laws and customs.
Health risk / warnings.
Traffic and public transportation.
Local economy and current cost for good and services.
When is the busy tourist season.
Do you need a Visa.
Will there be internet access
Passport (International)
Drivers License / State ID
Luggage
Confirm Travel Arrangements
Prescribed Medication
Money / Funds
Inform Someone About Your Travel
Cellphone & Charger
Make sure your home is secure before leaving
The goal of packing is not to overpack or underpack. Failing to pack the right items may make your travel less enjoyable. While you may be able to buy items you forgot when you reach your traveling destination, the added cost will effect your budget.