- Should save button be on top or bottom?
- Where do I put the Save button?
- Should cancel buttons be on the left or right?
Should save button be on top or bottom?
Considering that your users will typically navigate to one category, make a change, then click Save Changes, I think placing the button at the bottom/left is best. If your users were frequently making changes across multiple categories, then you'd have a good argument for placing the button at the top.
Where do I put the Save button?
Right: 'save and exit' button next to the primary button (good). Sometimes users might need to save their progress on a long form. Putting the 'save and exit' button above the primary button implies it's more important, when it isn't.
Should cancel buttons be on the left or right?
In most languages, people are accustomed to read from left side to right side, so it accords with our speech habits to put ok-key on the left side of cancel-key. 2. “Ok/cancel” type make it easier to see and select ok-key.