Being low on funds is certainly understandable. This is just one reason why many people end up avoiding traditional and costly allopathic methods in the first place, which is actually a silver lining since this puts a person in a position to seek natural and common sense solutions that homeopathic and alternative methods provide.
EVen though Zapping does not truly fall under the category of natural solutions, FWIW,, there are Zappers available in the $10 to $30 range.
Better yet, if you are willing to learn a bit about some of the moderate methods of fasting your way to improved health, these methods will likely save you money in both the short term and long term. Many many people have reported good results from natural sources of food intake like juice fasting and or fruit fasting. In both cases, the manufacturer of these methods is known to be pretty reliable. There are many resources to research this topic right here at Curezone.
There is of course another side to Barrett. While he has often claimed in the past that he and his organizations and web sites are funded mostly by public donation, here is a short list of some of his past donors: Monsanto; Archer Daniels Midland (both of genetic engineering fame); the Nutrasweet Company (neurotoxic Aspartame etc.); Union Carbide (as in Bopal disaster); Dow Chemical; Dupont; Cargill (the latter three being producers of pesticides, fertilizers, fluoride and other synthetic-chemical and petroleum-based products, Dupont being historicaly known for it's long-ago established efforts of destroying-through-smearing entire former industries based on natural products such as Hemp [Reefer Madness] and all it's many beneficial derivatives); Eli Lily; Uniroyal Chemical (the latter two biochemical warfare and pharmaceutical producers).