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Independent guidance
Home Access Advisor

David Chen

Editor, Ramps & Entryways

David covers ramps, entry modifications, and the geometry that decides whether a project costs $1,500 or $9,000. He builds the calculators on this site and checks every dimension against published accessibility guidance before publishing.

Areas of expertise: Ramp design · Entryway access · Slope and rise calculations · Porch lifts

Articles

Written by David Chen

Ramps & Entry

Wheelchair Ramp Cost

Ramps are priced by length, and length is set by your rise. Get the geometry right and the quotes become simple to compare.

Ramps & Entry

Threshold Ramp Guide

The cheapest accessibility product that meaningfully changes daily life.

Ramps & Entry

Entryway Modifications

The ramp is half the job. The door, the sill, and the landing are the other half.

Home Elevators

Stiltz Trio Alta Home Elevator Review

The least disruptive way to put an elevator into an existing house. No hoistway, no machine room, and a footprint that fits in a corner.

Fact-checking

Reviewed by David Chen