From breast-feeding to halfway houses

Fine the flubs in these sentences that were caught before they made their way into The Forum.

1. She won the award for her tireless efforts promoting breastfeeding.

2. The new headquarters will use 17,000-square-feet in an existing building.

3. Engineering fees are estimated to run about $423,000.

4. He has spent 6-plus months in a half-way house.

5. She was surprised nobody had launched a coop locally.

1. She won the award for her tireless efforts promoting breast-feeding.
AP Stylebook states: breast-feed, breast-feeding, breast-fed

2. The new headquarters will use 17,000 square feet in an existing building.

3. Engineering fees are estimated to be $423,000.
"Estimated" and "to run about" are redundant.

4. He has spent six-plus months in a halfway house.

5. She was surprised nobody had launched a co-op locally.