To upsticks and emigrate takes a lot of planning and thought. The first thing anyone should do is research and no better way than to take a well deserved vacation in your desired location.
http://www.vacation.mobi   can help with this.
If you are lucky enough to be comfortably well off, or retired and / or have a good career infdependant of the country you're planning to go to, you may not need a lot of the red tape procedures needed for some destinations. Obviously if you are from the UK, you are free to stay in the EU for as long as you like. Only different rules would apply to those with certain criminal convictions.

Healthcare arrangements, banking , housing are all the considerations you need to think about. For many, especially younger potential emigrants, and without any language skills, the draw of the US, Canada, Australia and New Zealand, have special appeal. For those able to demonstrate the ability, vision and necessary means to set up a viable business - one that could bring new career opportunities and prosperity to a region - an alternative route to being awarded a visa is clearly emerging. More and more small-business owners and entrepreneurs are discovering that very real opportunities exist for them overseas. For example, Australia, New Zealand, Canada and the United States, in particular, are actively seeking individuals with backgrounds in business. It goes without saying that having the necessary assets to succeed is also essential. But it isn't simply a case of selling up that thriving UK venture and heading off for a new business opportunity overseas. To be even considered for a visa, an individual will have to demonstrate a genuine commitment to settle in their chosen country - one supported by business plans, cash-flow forecasts, verifiable proof of assets, as well as letters of support from any potential overseas customers and suppliers that could endorse the viability of the business plan and the depths of their research. Add all the usual checks and medicals and it's still a process only for those who are totally committed to the idea of emigrating. As every business is unique in terms of the skills, services and products it offers, it is also important to choose an emigration company capable of assisting with identifying suitable business opportunities, assisting in the development of business plans and advising on both tax planning strategies and investment opportunities. As government-funded incentives may also exist in the chosen country it could also be worthwhile to check for eligibility to any such financial entitlements. A good emigration specialist will also provide sound relocation and resettlement advice prior to departure and arrange for their client to meet accountants and real estate agents during an overseas visit. This is something that will not only assist in the creation of a business plan designed to enhance the visa application, but will also provide the opportunity to start considering domestic property options as well as suitable businesses that may be for sale