One area which cannot be ignored is that of the power-assisted tool. It is quite possible to manage without any but the addition of a few power tools will greatly simplify and speed up many jobs. Don't be too ambitious at the outset, but add or change as you gain experience.
Power drill This is an invaluable help, and if you can afford it buy one with variable speed. This will help you drill holes in most materials quickly and neatly. It can also be fitted with a sanding disc, sanding drum or flap wheel for cleaning and smoothing surfaces.
Other attachments are available for a power drill, and your local tool shop will be pleased to show you these. But if you can afford it, buy one or two integral power tools where each tool has its own motor. This is by far the most efficient way of doing a job — and you don't have to keep changing attachments.