RepLock
The Journal

How Long Would It Take to Crack a 4-Digit Keypad Lock? The Real Math
A 4-digit keypad has exactly 10,000 possible codes. Worked through with real attack speeds, that's under a minute with no lockout — and about a week with one. Here's the math, and what it means for your code length.

What Lock Grade Do You Actually Need for a Front Door? (ANSI/BHMA Explained)
Grade 1, 2, or 3 — the numbers on the box mean something specific and testable. Here's exactly what each grade survives, and a straight answer for front doors, interior doors, and commercial entrances.

Keypad, Fob, or Badge? Choosing Access Control for a Small Business
Three real options for controlling who gets into a business, compared on cost, revocation, and what happens when an employee leaves — with the failure mode each one actually has.

When to Call a Locksmith vs. DIY: A Practical Decision Guide
A standard deadbolt swap is a DIY job. A broken key in the cylinder, a mortise lock, or a rekey job usually isn't. Here's how to tell which side of that line you're on before you start.

Securing a Small Business: Which Lock Grade and Access Control Actually Makes Sense
A commercial entrance gets cycled hundreds of times a day — that alone rules out residential-grade hardware. A practical framework for lock grade, access control, and camera coverage sized to an actual small business.

Smart Lock Buying Guide: What Actually Matters (Not the Marketing Hype)
Fingerprint, PIN, app, or fob — the unlock method is the least important spec on the box. Here's what actually separates a good smart lock from a bad one, in order of how much it matters.

Mechanical vs. Smart Deadbolts: What Actually Changed (and What Didn't)
A smart deadbolt changes how you unlock a door, not how hard it is to kick in. Here's what the electronics actually improved, what they didn't touch, and how to buy one without downgrading your door's real security.

Anti-Theft Door Upgrades That Actually Work: Strike Plates, Hinges, and Reinforcement
Most break-ins aren't lock-picked, they're kicked. The deadbolt grade matters, but the strike plate, the screws holding it, and the hinges usually fail first — here's what to actually reinforce, in order.

How to Replace a Deadbolt Yourself (and When to Call a Locksmith Instead)
Swapping a standard deadbolt is a 20-minute job with a screwdriver and a tape measure — here's the exact process, the one measurement that trips people up, and the point where it's worth paying a locksmith.

Securing a Hybrid Workplace: Shared Desks Need Their Own Access Rules
A hybrid office with hot desks and rotating schedules breaks the old model of "give everyone a badge and a drawer key." What actually needs rethinking when nobody has a fixed desk anymore.

Moving Into a New-Build Home? Rekey These Locks First
Builders, subcontractors, real estate agents, and inspectors all had keys to your new home during construction — often the same key across the whole development. Rekeying on move-in is cheap insurance most buyers skip.