and I had always assumed a section card order was required, with the dice rolling done during the combat phase. I believed that was a pretty good interpretation of the T.P. rules.
1] Does that mean EVERY turn, both the sabotaging units and it's enemies turn?
Probably only your turn. Not sure.
If you can Sabotage during the opponent's turn (quite realistic but) then: no need for card\activation during your turn also and the saboteurs may play another action...too much for a single turn.
2] Does 'start of any turn' mean before the Command card is played or after?
I think: at the start of your turn after playing a card to activate saboteurs.
(It depends on the meaning of 1) above).
3]Does the sabotaging unit need to be ordered?
I think yes because it has to roll dice.
4] Can any unit sabotage?
I think according to the scenario. In Eben Emael all German units are sappers so they can all saboteur.
How the Sabotage rules are interpretated makes a big difference in the Campaign book's Fort Eben-Emael scenario. How do other players use these rules?
You have to play a card to activate sappers who then roll 2 dice and score a hit on a single star. Sounds good?