Existing models are either too simplistic and produce unrealistic results; or too complex and costly for practical use. (sciencedaily.com)
Beware of any products or services that promise unrealistic results or quick fixes. (blog.readyforzero.com)
Don't accept unsolicited offers of debt help, and avoid doing business with any firm promising «instant credit repair,» or other unrealistic results. (debthelp.com)