Forensic Comparison

Supply SE Single Edge Injector Razor VS Merkur 34C Heavy Duty Short Handle Safety Razor

REF #98
AA

Supply SE Single Edge Injector Razor

Cost Per Year
$28.69/yr
MSRP
$59
Horizon
20.00 Years
Waste Factor
3x Units Avoided
Full Audit
REF #90
AA

Merkur 34C Heavy Duty Short Handle Safety Razor

Cost Per Year
$17.82/yr
MSRP
$49.5
Horizon
15.00 Years
Waste Factor
3x Units Avoided
Full Audit

Financial Trajectory

Audit Winner
Merkur 34C Heavy Duty Short Handle Safety Razor
NPV Cost:$115
Day 1
$0$29$57$86$115Yr 0Yr 10Yr 20Yr 30Yr 40Yr 50
Winner
Disposable Baseline
MetricSupply SE Single Edge Injector RazorMerkur 34C Heavy Duty Short Handle Safety Razor
MSRP$59$49.5
20-Year TCO$427$265
Cost Per Year$28.69/yr$17.82/yr
Waste Factor3x Avoided3x Avoided

Failure Threat Matrix: Supply SE Single Edge Injector Razor

  • Brittle Fracture
    Risk: Low (requires drop)
    Do not drop on hard surfaces (tile/granite). Use a grip sleeve or stand.
  • Spring Fatigue
    Risk: Very Low
    Covered by lifetime warranty. No user mitigation available.
  • PVD Coating Wear
    Risk: Low
    Clean regularly to prevent soap scum buildup which can look like wear.

Failure Threat Matrix: Merkur 34C Heavy Duty Short Handle Safety Razor

  • Threaded Stud Shear
    Risk: Medium (if dropped)
    Do not overtighten the handle; avoid dropping on hard tile surfaces.
  • Plating Corrosion (Zamak Rot)
    Risk: Low (over long term)
    Rinse thoroughly and shake dry. Do not leave wet blade inside for weeks.

Efficiency Verdict

Analysis confirms that Merkur 34C Heavy Duty Short Handle Safety Razor provides the superior ROI over a 20-year horizon, saving approximately $10.87/yr compared to the alternative.