To be annoyed with people expecting me to work for free

[Owwmumo1]

I'm getting so tired of parents expecting "free trials" for after school activities. I have 30 years experience of teaching, industry experience, beautiful studios, staff and a child to support. When people enquire I state - "Classes are £5" but still get people replying "oh I thought we were having a free trial". Why?
I have never been to a cinema, bowling alley, soft play, theme park etc who offer a free trial to see if the child likes it. I would never ask a dog walker or hairdresser or cleaner to do a "free trial" to see if I'm happy.
I'm not asking for them to immediately sign up for a costly membership - just pay £5 for a class. If they don't like it, no problem, if they want to try a different class - absolutely fine.

So AIBU to think I deserve to be paid for my job?

People expect far too much for free or cheap nowadays.

I think most people expect it because most places offer it, I don't think any sport/dance/activity my children have done over the years hasn't offered a free trial- but it's always paid per term so I see why people feel a need to try it first. I'd have no issue if you said trial classes are available, £5 for your first lesson. I'd definitely pay with no complaint.

Where I live parents can either sign up for whole term or set number of lessons however they are sometimes allowed a pay and try session or 2 before parents commit to a full term. No need to give free trials.