Buyer Tested Review is an independent consumer product testing publication operated by Deepsight Analytics Inc, a Colorado-registered corporation. We purchase products at retail price, test them in real-world conditions, and publish honest assessments — with no sponsored rankings and no undisclosed conflicts of interest.
Who We Are
Buyer Tested Review was founded in March 2025 by a team of product testing specialists who believed consumers deserved more rigorous, data-driven evaluations of the gadgets, health devices, and household tools flooding social media feeds. We are headquartered in Denver, Colorado, and operate as an editorially independent unit within Deepsight Analytics Inc.
Our testing team is led by Mariana A. Johnson, a certified product evaluation specialist with over eight years of experience in consumer electronics and health device assessment. Mariana oversees our testing protocols, quality standards, and editorial independence policies.
What We Do
We specialize in evaluating direct-to-consumer products — the kind you discover through online ads, social media, and viral videos — that rarely receive coverage from mainstream technology publications. Our areas of focus include:
- Pain relief and massage devices (EMS, TENS, percussion)
- Portable home appliances (heaters, coolers, air pumps)
- Home security cameras and smart home gadgets
- Garden and power tools
- Kitchen and cooking devices
- Sleep and wellness products
Our Testing Methodology
Every product reviewed on this site goes through a structured four-stage evaluation process:
We buy products through standard consumer channels at full retail price. This ensures we receive the same product and experience as any customer.
Products are tested under real-world conditions by our specialist team over a minimum of 7 days, following the manufacturer's instructions.
We benchmark each product against comparable alternatives on the market, evaluating performance, build quality, value, and safety.
All findings are reviewed by our editorial team before publication. We include genuine drawbacks and limitations — not just product highlights.
Editorial Independence
Our editorial team operates independently from our business and affiliate relationships. Affiliate commissions — earned when readers purchase products through our links — never influence which products we recommend or how we rank them. Products that perform poorly in testing will be rated accordingly, regardless of commission rates. For full details, see our Advertising Disclosures page.
Meet Our Lead Reviewer
Mariana holds a background in consumer product evaluation and has reviewed hundreds of direct-to-consumer gadgets across health, home, and outdoor categories. She joined Buyer Tested Review at its founding in 2025 and leads all testing protocols and quality standards. Her evaluations prioritize real-world usability, safety, and value for money over spec-sheet comparisons.
Company Information
| Legal Entity | Deepsight Analytics Inc |
| Entity Type | Colorado For-Profit Corporation |
| Entity ID | 20251281046 |
| Founded | March 2025 |
| Headquarters | 1500 N Grant St Ste R, Denver, CO 80203, United States |
| Contact | support@buyertestedreview.com |
Page last reviewed: April 2026 — Buyer Tested Review / Deepsight Analytics Inc