Renovation of Existing Property - Our Way to the House

As a supplement, here is the wiring that was found. The three-core cable was, of course, brown, blue, green-yellow, and besides the current conduction on the PE, it had an even bigger logical error.

The invoice for the sliding door frame arrived shortly afterward. Unfortunately, we only noticed after payment that the labor and material costs were not itemized separately. Two phone calls ("I'll do it after the vacation next week" and "I had given it to my mother for processing, it should already be sent out") and a written request for correction have brought no results so far. How can one get a craftsman to provide a corrected paid invoice with stated labor costs?

How can you get a craftsman to issue a corrected paid invoice with itemized labor costs?

As far as I know, the chargeback on the bank is possible for six weeks.

That should only work with direct debits, but not with own transfers. Fortunately, the corrected invoice finally arrived yesterday, so this issue is finally resolved.

wow, you really achieved and created something there.

thank you very, very much for the detailed reporting so I can imagine a bit more precisely what my husband explains to me about our upcoming "project"
built in 1930 and last renovated at the end of the 60s
but definitely a lot of space to express oneself

Small update. Work in the bathroom continued and at the end of August and beginning of September, plastering and ceiling breakthroughs were next.