Movecheapr: The only moving truck comparison engine.
The moving truck industry is a 10 billion dollar industry, and has zero comparison engines, as opposed to endless options for airline, hotel, and car rental. The amount of data available from diligent collecting of route data can build a picture of not only cheapest and most expensive routes, but also the flow flow of movers around the country.
No moving truck company has any type of data available in an easily consumable way. All data has to be gathered by using sessions and HTTP requests to successfully output the required data.
The application is running on the HHVM, compiled JIT, for substantial performance improvements over conventional PHP interpreters. It is also running in front of a Varnish reverse proxy for lighting fast caching of static content.
Also, some moving truck companies have an affiliate programs, paying around 5%.