Bank foreclosures are normally handled by real estate brokers who are their brokers of choice as such companies exclusively service the foreclosure market and are basically a conduit to the MLS for the banks.
The best answer sure sounds self serving because it's best to find a real estate agent who is a full time professional and understands both the foreclosure and short sale market. With short sales, a broker needs to do a search through the NJMLS inventory for you and then needs to be knowledgeable enough to deal with these properties for you.
I hope that this answers your questions; if it doesn't just let me know. Oh and one more thing - never, ever pay for a list of foreclosures as this is almost always not worth even one penny.
Id be happy to help you out.If you are looking to buy pre foreclosure(Short Sale) or a Bank owned property(REO).
As far as an auction Id highly advise against it unless you are a seasoned investor and you arent looking to buy at auction with your lunch money.
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