Dual = Training = Airwork = AOC required, except for a few exemptions.
One way to keep the cost down is too find a basic synthetic trainer approved for recency purposes, some can be cheap and you can use them for 2 of the 3 hours required, legal and no grey areas.
On the red 737s for the last time, I think I figured out when the 5% of non-scanning occurs, must be visual descent and approach as have noticed a few being in strange positions near final and conducting a go-round or are they just lacking VMC currency?