Double Meaning
I’d rate double-meanings (where ‘See ad’ = SPOT) as the simpler breed of clue, especially where only two words are offered. That way, spotting the brevity, a solver may presume that two meanings are required - though presuming is a dangerous habit when it comes to decrypting. This elegant bunch are all double-meanings, and go from breezy to brain-strain.
1) Wave power (4) S _ A _
2) Last time (7) _ T _ E _ _ _
3) Health promoting kitchen appliance? (7) _ _ A _ T _ _
4) Land on your head? (6) _ A _ _ _ A
5) Failing to change sides (6) _ E _ E _ _
6) Scrap . _ . . (6) _ O _ _ E _
7) School trust producing little feedback? (4,8) _ I _ _ / _ I _ E _ I _ _
LAST BATCH ANSWERS: 1) Aged 2) Titan 3) Cello 4) Rhapsody 5) Lays 6) Pedlar