The vacuum cleaner that you buy should be suitable for the particular purposes that you will need it for.
If you intend using the vacuum in your garage rather than in the home then you might need to consider a commercial model vacuum that can handle the rigors of the workshop. You might even need to consider a wet vacuum that can clean up liquid spills.
For a home vacuum you will need to consider several factors and most of these will be determined by the style of your …