Improperly pruning a tree may cost less in the short run. However, the true costs are hidden. These include reduced property value, the expense of equivalent replacement, increased future maintenance, and the risk of liability from weakened brances. The weakened wood from an improperly pruned tree is much more susceptible to breakage. The breakage may result in legal liability.
Most reputable companies have all the work they can handle without going door to door.
All tree services are required to be registerd with the city and to maintain a copy of their occupational license on the job site. Ask for Local References Experience, education, and a good reputation are signs of a good aborist. The owner of the property on which tree abuse occurs may be required to replant an equivalent tree. Exempted are Australian Pines, Brazilian Pepper, and Melaleuca.