corporate tax avoidance

I've heard people mention that you can live half the year in guernsey and half in the UK to avoid income tax, is this true?

I've learnt recently that many wealthy people have their tax structure something along the lines of — A Multi Currency Trust (Usually in the Cayman Islands, Cook Islands, Or Singapore) then holds/owns — A Holding LLC (Usually in Nevis, Belize, Panama) then holds/owns — An Regional LLC (Usually...

I have a personal question. Because I live in a country with very high taxes and don't have a CPA that can help me to reduce the tax I have to pay for my corporation (not personal) each year I want to know how a offshore company can help me? Can I invoice my onshore company ? What would you...