The Job Offer/Sacrifice

Last week the manager of another team approached me with a question I didn’t expect.
Apparently another co-worker from her team told her that they need to recruit me into their team.
Besides this being a huge compliment (they deal with different clients then I do right now and the co-worker that referred me is super good at her job) it’s also a decision I will have to make within this week.

I talked to the manager and asked her a lot of things about the work that they do (it differs quite a bit from my current job) and today I also spoke with the co-worker that referred me to ask her why she thought of me.
It’s funny to hear how high people have me when it comes to my job and a tad bit scary, since I’m still very insecure about the work that I do.
She’s convinced I can do the job and she knows me quite well (we spend a lot of time together because I have to prep some of my clients to be transferred to her) professionally speaking.

In all, it sounds pretty great, but I’m still hesitant.
I’m a person of habit and changing habits is scary shit batman!

So here we go, the good and the bad sides to making this change:
+ New challenge
+ Shorter treatment plans
+ No more mediation between badly reachable workplaces
+ Less intake sessions

- Not as great a team of co-workers
- No experience in the treatment plans they do
- Will have to prove myself to another manager all over again
- More complex problems in the clients
- Higher workload

My biggest objections right now are changing teams (I really love the team I work in) and the fact that I don’t know if I can pull off this other job.
According to my co-worker the latter is bullshit. I was afraid I couldn’t do my current job either and I’m pretty much acing it…

Edit:
I’ve also thought about the money thing…
Right now I don’t mind if I don’t get this position, but if I do, I think I want a raise.
At least 1 step higher on the payment ladder to be honest.
From what I keep hearing this job is more demanding in stress-levels and time consumption and I already get payed too little as it is…

Constructive feedback (or as my manager hilariously calls it ‘feedforward’) wanted