Unfortunately the small estate procedures involve the orphan's court and motion practice which generally require the know-how of an attorney. It is easier for a lay person to deal with the standard probate procedure in my opinion. Hire an experienced attorney who will charge a reasonable fee to help you.
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Experience over the years has taught me that the small estate settlement is a bit more of a problem than what it is worth, because probate in PA is rather inexpensive and the people who run the Register of Wills are very helpful. I also do probate in NY and FL....now there you want to avoid probate...but PA is much less expensive. Filing the will, sending off the notices, etc. in PA is the easy part, remember you still need to complete the PA Inheritance Tax Return and in order to get your release from liability, get everyone to sign off on a family settlement agreement, which you still need to do even with the small estate petition. That is where most people need the advice of an attorney. Soooo, ask the Register of Wills office what the filing fee will be to file the will the old fashioned way, and when you realize it is pretty cheap for such a small estate, you will likely do things the regular way.