
Originally Posted by
Zimbelstern
I started with the tool exchange at level 70 and have now time to produce the new tools until level 72, where then comes the lighthouse. All coming CBs need only one „old“ material and the sequence is totally regular (at least from 72 to 84): always slabs + jackhammers and saws; bricks + drills and jackhammers; glass + drills and saws.
So I keep always the old materials for the next three buildings (bricks, slabs, glass for one each) and change only the surplus, first for the two new tools I will need the earliest. By now, level 71, I have the old materials for lighthouse, skyscraper and kindergarten, plus the new ones for the lighthouse and half the skyscraper. I dump a lot of offers, but I have at least two levels time between CBs, and that works quite well for me. BUT I ignore the zoo completely