Start with hiring a good attorney. Also, you may start seeing a doctor. A delay in such situation can be fatal to your subsequent claims, but it is still possible to avoid an irreparable situation in this case.
Its reasonableness has to be decided by you considering the extent of your injury. Remember, if attorneys get involved, they may get more money but there would be more costs and also it would be time consuming for everyone.
The other two attorneys gave you an excellent advice. It is time to to back to the police and get a copy of the police report. I hope meanwhile you had opened a case either with your own insurance or the opposing party's insurance. It is better to hire a qualified attorney in your jurisdiction who would do all the things for you. Most certainly get you insurance for your car, as it seems you were not injured in the accident.
The amendment can be filed perhaps but full facts are not clear. If the "other attorney" stated to you that the amendment can be filed, what is stopping you. It is always good to hire licensed attorney. I am sure if your BK is not closed, an amendment can be filed. You definitely needs a qualified and a local help in this regard.
A meeting of creditors is generally set immediaely after the filing. Basic facts are missing here. Was no meeting of creditors assigned yet. Call the clerk of the court and find out. Did you file it through a paralegal or an attorney. Your attorne might be helpful here.
There is no quantifiable time limit. But you should see a doctor or medical facility ASAP. Any delay than couple of days can be fatal because lots of pain medications is given under emergency medical factors. If you have soft tissues injuries, then you can be referred to a chiro. Meanwhile, you can seek legal help. Time is the essence in these situation.
I think the other two gentlemen give you excellent advice. Unless and until you don't see a proposed settlement papers, do not send money. It is best to get it checked from a local attorney in your jurisdiction. The two gentleman who posted their comments seems very qualified attorneys in this regard.
Minor corrections without any changes (substantive changes) are acceptable. In Nevada, most of the filing is done electronically. Are you contemplating to file it manually? The manual filings are checked by the clerk of the court, and if it requires some correction, they would let you know immediately or would ask you to correct. However, a pro per filing is inundated with many risks, and some it the money saved in not hiring a competent bankruptcy attorney can multiply in many losses. I had...
The court house using the "same collection agency" is an administrative matter aside from your lawsuit. I assume you live in a very small town. I bet judge would not even know if the courthouse is using the same agency the one which is suing you. There are no specialized privileges or conflict of interest created by using of the same collection agency. The basic thing is if you have any merit in your defense. Did you owe the money and now you are delinquent on it. These are the predominant...
Assuming, it is a debt collection issue, then you are protected under the FDCPA which prohibits all kinds of harassment calls or any kind of pseudo identity. They have to identify themselves with their correct name, and give you a Mini-Miranda warning before talk to you. Also, they cannot call you more than twice, and if you write them a letter stating that you should not be contacted by telephone, they have to honor it, and contact you by mail only. I suggest see an attorney in this matter.