As my DIY tools are only used for odd jobs about the house, they were mostly cheapos.
you can get away with some things, but when a drill bit wears out after drilling two holes you learn quite quickly that even from a DIY point of view you cant skimp on tools.
Having said that I bought a Tesco own brand cordless drill for £5 in the sale (no joke), and while its cack, its far better than the price tag would have you think. Works well as a paper-weight, and for light screwdriver duties
Having said that, ive never skimped on tools for my garage. Im only a hobby mechanic, but you cant skimp on automotove tools, cheap ones break straightaway, and always when you need it most.