When you are writing a will and planning an estate, there are many considerations to keep in mind. In addition to making sure your assets are passed on according to your wishes, you'll also likely want to make sure your estate doesn't pay any unnecessary taxes.
However, a will is not the best legal instrument for escaping taxes because wills are subject to estate taxes. So, if you are concerned about your estate paying too much on taxes, you may want to consider alternate means of transferring property, such as a trust.
Estate planning is a complex topic, though, so let's look at the basic notions, giving you an idea of what might be possible and where to start.