Feeling unsure about 11 plus tutor before first lesson

[Areallywg]

I have hired a 11 plus tutor to help my son prepare for his exams.
I found her through recommendations on a local Facebook page. I wanted someone to do face to face because my son will pay more attention versus online. On paper she seems like a good fit, she is a teacher at a local school and is tutoring other students as well for the 11+.

However, I just wasn’t impressed by her during our first call, I cannot explain it; she didn’t give of a bad vibe etc.

she also doesn’t advertise on places like tutorhunt, so I can’t really view the feedback.

Their first lesson is on Thursday.
How many lessons should we have before I decide if she is a good or bad fit? Is it at least 3 to 4? She charges £52 per hour so i don’t want to waste money but equally face to face tutors are rare here.

Lots of good tutors don't use sites such as Tutorhunt, because these sites now take a high percentage of earnings in commission.
I think it depends on how well your child responds to one to one lessons rather than a first impression.
The amount of notice you need to give depends on the tutor's terms and conditions.

Ii didn’t think about the commissions they would take.

We found a tutor through tutorhunt...all good feedback etc. They were awful. I presume they'd somehow doctored the reviews? I've no idea how these things work.

After that disaster, we then had a personal recommendation and we've been with this other company ever since. We just got a really good energy from them from the first day. My kids really warmed to them which was really important, and we pay less than what you're paying, but for online. I'm not sure what the difference is really in quality between in person and online. I wouldn't get stuck in the trap of 'it must be in person' as you're closing yourself off to a lot of other people who might be better experienced.
Does she have any references?

Agree re: not being on Tutor sites. We found ours through Facebook recommendations and their page.

I'd give it 3-4 lessons but you need to think about a back up if you want to switch. Other tutors likely to be booked up/group sessions started for the next year.

You found her through recommendations on a local FB page which is the same as, or better than, feedback on the other sites. If you want more feedback, ask the people who recommended her on the FB page. It's all a bit intangible otherwise in terms of your feelings about her. Talk to her after the first session and ask your DC how it went then you've got more to go on.