What happened to her portion? What actions do we need to take to get his portion back and to find out if she indeed had a will?

Your best bet is to have a personal consultation with an Estate Attorney where she lived to see how that state's laws may be applicable. Then have...

Do I have to take him to Court in the original court I gave him custody/guardianship in?can I do it in the state I live in now?

Correct. You'd need to revisit this issue before the original court.

Is it mandatory to obtain guardianship,of child with autism in NJ when child turns 18?

Probably wise to get a Guardianship underway under the circumstances you have described here. I concur with my colleagues. See Avvo.com under the...

Where do I get information

Meet with an Estate Planning attorney in your area for a private one-on-one free consultation. He or She can guide you and provide you with a...

Do I have any recourse?

First contact the cemetery and provide them with a COPY of your paperwork of the plot purchase. Then have your lawyer contact them by e-mail...

Do I sign HIS name on paperwork, or do I sign my own name, then write POA (ex: Jane Smith, POA)?

I concur with James. Depends on the TYPE of POA that you have: general or health. But do indicate that you are POA.

Sorry about your loss. To settle the matter quickly, a Probate case should be filed with her Last Will. If she died without a Will, then a...

Regarding fiduciaries as personal representatives, is there any "line in the sand" as far as what they can't bill to the estate?

Fiduciaries have to be reasonable and it is likely the cost for time and expense will in fact appear on the next accounting. So weigh those...

Do i have to provide copy of will and provide copies of all bills paid prior to death? Its a small estate not going to probate.

I'd file a copy of your brothers Last Will with the Probate Court. Then if the estate is under the legal guideline of your state simply proceed...

What assets can he spend down his money on? Is he permitted to transfer the bulk of his cash to a friend for his spend down?

Be careful not to take advice from people who are not licensed to practice law. An Elder Care attorney is your safest bet for guidance here. See...