End users, professionals, vendors and dealers answer questions and exchange information, ideas and solutions with each other daily. This file is more than 200 kilobytes in size. A long, proven track record of recommending devices that have been used successfully over time is the best defense. Finding similar end users and talking to them will take time. Patience and personal education will translate into long-term success and avoid costly and irritating headaches when things don't work together.
Vendors sell the products they recommend.
That is ok, many in the field do. Be careful with those who sell or are familiar with products from only one company. It is in their interest to sell their particular product whether it works for the consumer in question or not. Use dealers that represent a variety of companies and recommend a range of products. Inc. This recommendation posed limited flexibility to blind end users who may desire to add scanning capability to their computer systems.