FL court has authority to order spouse to pay OP attorney fees and costs.

Your attorney may file Petition for Removal, Accounting and Surcharge on your behalf. This not DIY project. You need attorney immediate assistance.

If IRA was an asset of the estate (versus beneficiary designation), what you did was premature and improper. If property of estate, IRA must be...

Yes. Carefully drafted RLT may be funded with SP and SP status maintained. You will need attorney assistance to get this done properly.

Not enough information provided. Begin by reviewing trust, title documents with probate counsel.

Best practice is to file objections and POS on trustee and trustee attorney.

Your attorney may begin by filing UD against occupant.

Yes. Your attorney may file petition for removal and surcharge. You will need attorney assistance.

Your attorney may file petition in probate court to compel nrother to share ashes.

Too much information for simple answer in this forum. Review facts and documents with probate counsel for direction.