Armstrong replaced Tommy Wright in the Quakers' hot seat after leaving Blyth Spartans last month.
He's since been working hard on reinforcements, a number of which have followed him from his old club.
But if you thought nine was fine for the ex-Ipswich Town striker, you'd be wrong.
“I still want one or two players if I can," he told the Northern Echo. "I would like three in, but finances will dictate that.
“I don’t want to blow the money too early because it’s the fans’ money and I want to protect it."
He added: “It’s ongoing - loans will probably happen in the last week before the season starts."
Darlington open their 2019/20 National League North campaign against Farsley Celtic on August 3.