The 'No Contract' Security Kit That Quietly Cost Us $412: A 90-Day DIY Alarm Diary
At the start of August, we cleared a Saturday, charged a drill, and installed five DIY security systems in two homes: a 1,900-square-foot suburban house and a 700-square-foot apartment. We paid retail for every kit and turned down affiliate credits. Then we labeled the systems A through E and kept a shared spreadsheet for 90 days. The goal was simple: find out what 'no contract' actually means after the credit card is on file.
How we tested
We installed each kit for at least 18 days and ran 30 controlled triggers per system. That meant opening doors, walking through motion zones, and cutting the Wi-Fi router while the system was armed. We timed push notifications from the moment a sensor tripped to the moment a phone buzzed, using screen recordings and a stopwatch. We also unplugged the router for 20 minutes to see whether cellular backup kicked in without a monthly add-on. Every charge went into the spreadsheet, including activation fees, app upgrades, and return shipping.
The $412 surprise
System D had the best ad copy. 'Free self-monitoring forever' was the headline, and the app looked sharp in the demo. The free tier, it turned out, required a $199 activation fee and a $149.99 cellular backup module if you wanted the alarm to work when the internet went down. The app also hid camera history behind a $4.99 monthly add-on. When we called to cancel after 90 days, we were told the 'free' plan carried a 24-month equipment agreement. We paid a $63 cancellation fee to get out. Total extra cost beyond the kit: $411.99. The monthly fee was zero. The 'free' part was not.
Alerts were not created equal
Average push times ranged from 2.4 seconds on System A to 14.2 seconds on System E. That gap matters when a door opens at 2 a.m. System E also sent only an email for some motion events, which is less useful than a push notification. When we cut the Wi-Fi, Systems A and B kept reporting through cellular backup. Systems C, D, and E went quiet until the router came back. System A was the only kit under $200 that gave us fast alerts, local storage, and no required subscription.
The contract fine print
'No contract' usually means no long-term monitoring agreement. It does not mean no commitment. We found auto-renewing monthly plans, 14-day return windows, restocking fees, and cancellation pages that required a phone call. One provider wanted 30 days' written notice. Another charged $8 for return shipping on a hub we had owned for three weeks. The lesson: the cancellation policy is part of the purchase price.
What we would actually buy
System A, the $149 starter kit, won for us. It was not the prettiest app, but the alerts were fast, the self-monitoring tier was genuinely free, and cellular backup was optional at $9.99 a month. For renters, System B was easier to install without drilling. System D is fine if you want professional monitoring and you do the 24-month math before checkout. If you just want a loud siren and a phone alert, skip the 'free' plan and buy the boring kit. It cost less, and it did more.
