Are partial construction phase approvals common with general contractors?

Hello everyone!
After months of searching, we decided on a local carpentry company that is a bit more expensive but has an excellent reputation in the area.
We are now encountering the first inconsistencies: the contract is actually a scope of work with a few rough payment targets.

At our request to define inspections for the construction phases, we were told that the inspection only takes place at the end; there are no inspections in between.
The explanation for this: the carpentry company, in our case [GU], is responsible for all trades, so only a final inspection would make sense.

Are there other clients here who only had a final inspection?

Is it even okay if no intermediate inspection is conducted with [GU]?

That's right. Completely normal. If you pay for one step, you have accepted it. Then comes the final acceptance and the remaining payer, done.

... And the acceptances must be defined in the contract, right?

No. You have a small local craftsman as a partner. He does not indulge in iura and paperwork, he builds. You pay and thus create a fact. He says what I got is okay, so money is paid. Be glad that you get a contract at all. We had none, only a handshake, a construction service description, very rough, a payment plan, very rough, and a promise to be allowed to deduct a discount if payment is made within eight days. That works too.

Where did you build, Karsten? I thought everything done by handshake and good reputation in the village was only possible in the deepest Bavaria :D

Acceptance at the very end!