Hi Mark, I am interested in purchasing your GB4000, but I am pretty strapped for funds. I have a GB4000 for treating my granddaughter with lyme, but my daughter-in-law has just come down with a serious illness, and I want to get this machine for her. Would you be able to accept $1300 for it? My husband and I are retireess on Social Security raising a granddaughter, so things are a bit tight. Patricia Watters
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