Depends on the person.
If you get contracted with FEX you don't have to knock doors. According to them door knocking is "inefficient".
They train the low income seniors who mail in the cards to answer the phone.
Much easier.
Agents set appointments. Prospects are waiting for them with hot coffee on the kitchen table.
95% 13 month persistency too.
Some FEX agents door knock. We have a couple agents who are killing it by strictly door knocking.
Truthfully, to maximize efficiency, most agents ARE better off setting appointments. It also prevents burnout.