Practical guide

Budget for replies, not just outgoing messages

A broadcast inbox needs a person, a boundary and time.

Last materially reviewed 2026-10-02

Quick answerA broadcast inbox needs a person, a boundary and time.
What to know

Start with uncertainty

You do not know in advance how many people will reply or how long each question will take. Use clearly labeled scenarios rather than a made-up response forecast. A low, middle and high workload assumption can reveal whether the plan is fragile. Do not interpret a calculator result as predicted engagement, a staffing recommendation or a measured saving.

What to know

Count the whole handling task

Reading, understanding, checking a reference, responding and documenting a handoff can all take time. A short reply is not necessarily a simple question. Some messages may need a different channel or a qualified person. Avoid gathering sensitive details through a routine announcement inbox; state its purpose and direct people to the appropriate established route where needed.

What to know

Learn from a counterexample

A current category-product reviewer described weak engagement and more customer questions than the team could manage, despite an easy interface. That is one buyer account, not a representative rate or a judgment about TXT180. It is a useful reminder that software usability and audience fit are different. A smooth sending screen does not remove the downstream work created by a campaign.

What to know

Use the local scenario tool

Enter planned recipients, an assumed reply percentage, handling minutes per reply and fixed administration minutes. The tool rounds the implied reply count upward and totals the assumed work. For example, 200 recipients at an assumed 5% with six minutes each plus 15 minutes of administration yields 75 minutes. Those inputs are fictional. If the high scenario cannot be handled, narrow the send or change the workflow before launch.

What to know

Capacity is not just total minutes

Seventy-five minutes spread across a week differs from seventy-five minutes arriving during a short staffed period. Record when replies are likely to require attention as an explicit scenario, not a prediction. A cover person may matter more than a lower average handling time. Never advertise a response time that the actual staffing plan cannot support.

Continue when useful

Next: Inbox ownership

Private replies are useful only when someone knows what to do with them.

Open Inbox ownership →

Sources used for this page

These records support the facts and comparisons above. Merchant-controlled records are labelled so you can separate product claims from independent evidence.

  1. TXT180 feature documentation — Merchant documentation · txt180.com · Merchant-controlled · checked 2026-10-02
  2. SimpleTexting buyer accounts on Capterra — Reference · capterra.ie · Publisher independence not verified · checked 2026-10-02
LOCAL PLANNING / NO UPLOADS

How much reply work are you assuming?

Round up recipients × assumed reply percentage, then multiply by handling minutes and add fixed administration.

Use aggregate counts only. Unknown is not zero. Inputs are not saved.

No calculation yet.