Everything from one source - yet I obtain additional offers

Of the 3 companies that responded, I chose the offer with the best conditions.

That is completely legitimate. However, you don't put out a new tender every time or change the electrician when you have had very good experience with one who lives in the neighborhood and does not charge travel costs. In that case, he doesn't have to be the cheapest for my part either.

Hi

I see it the same way as many here. I am also only slightly interested in inquiries with blacked-out prices from other competitors. If the expected performance fits your budget expectations, then everything is fine.
When building yourself, for example earthworks 1 inquiry - 1 offer - order, timber construction 2 inquiries - 1 offer - order, windows 1 inquiry - 1 offer - order. We proceeded exactly like this with the last house and were very satisfied.

Olli