What's really going on

You're one person handling 50–200 inquiries a month for apartment communities. That's real volume. At the high end, a name a day is slipping through the cracks — the walk-in from Tuesday you meant to call back, the property manager who referred you and never heard how it went. The problem isn't that you lack a pipeline tool. It's that intake and follow-up live in your head and your phone.

What to do instead

1. Google Sheets (free) — one tab: Name, Community, Source, Date In, Next Step, Follow-Up Date. Every walk-in and referral gets a row before you leave the site.
2. Zapier (free tier) — one Zap: when you add a row with a Follow-Up Date, it creates a Google Calendar event with the contact's number in the title. Now follow-ups chase you, not the other way around.
3. The habit — end of every day, five minutes, sort the sheet by Follow-Up Date. Anything older than three days gets a call before you sleep.

First action, 30 minutes: open Sheets, make the six columns above, and enter every inquiry from the last two weeks you can remember. The gaps you find are your real problem.

What you're being oversold

Someone is going to tell you Pipedrive at ~$15/month will "organize your pipeline." At solo scale with two channels, it's a fancier version of the sheet you haven't built yet — and you'll spend the first month configuring stages instead of calling people back. Folk is the same trap in a prettier wrapper. Doing nothing costs you the referrals that don't get thanked and the walk-ins who buy from the next vendor because you called on day seven instead of day two.

When to revisit this

When you hire a second person, or when you're consistently past 200 inquiries a month and the sheet has more than one owner.

The part worth getting right

Here's the fork. If most of your value is one-shot jobs — a community calls, you quote, you install, done — the sheet plus a calendar reminder is the whole answer, maybe forever. But if a single property manager sends you work across five or ten communities over years, you're actually running a relationship business, and you need to track the person, not just the job. Those two shapes want different first columns, different follow-up rhythms, and eventually different tools. Get this wrong now and in six months you're rebuilding from scratch.