In your point of sale software, it is straightforward to change prices.
What several of our clients do, eg cafes and hairdressers have specials at certain times of the day! For example, after 2 pm, a cafe starts offering the remainder of the sandwiches and a coffee on a special deal. The sandwich that is not sold today, will probably be in the rubbish bin tonight.
A hairdresser if she is quiet in the morning often offers a special on haircuts for seniors.
Make a Happy Hour
If you want to experiment with such a limited-time promotion which last on a few hours, then it is worthwhile looking into the price changing facilities in our POS system as it can handle such changes effortlessly on the fly.
Just a few taps and you are ready to go.
Good luck and let me know how it goes.
Note the Image is by Gerd Altmann