Two quotes on the same Texas felony can differ by a factor of five without either being wrong, because flat fees are built from parts that are rarely itemized out loud.
Two quotes on the same case, taken the same week, from two lawyers who both practice in the same district courthouse, can differ by a factor of four or five without either one being dishonest. The numbers are not measuring the same thing. One is pricing the work up to the day a plea offer is accepted; the other is pricing the work through a jury verdict, with an investigator already assumed. A careful reader treats a flat fee the way they would treat a contractor's bid: not as a price, but as a scope statement with a dollar figure attached to the end of it.
Charge level sets the floor, not the fee
The offense level is the first thing that moves the number, and it moves it in steps rather than smoothly. A Class B misdemeanor in a county court at law, resolved on the third setting, is a different quantity of work from a second-degree felony in a district court where the range of punishment starts at two years and runs to twenty. What actually drives the difference is exposure and the number of hearings that exposure creates: bond conditions to litigate, discovery to review under the Michael Morton Act, a punishment case to build if the guilt question is not seriously in dispute. Two lawyers can agree on the level and still disagree about how many settings it takes.
Ask where trial sits in the number
This is the single largest source of the spread, and it is often invisible in the quoted figure. Some Texas defense lawyers quote one fee that covers the case from hire through verdict, whatever happens. Others quote a pretrial fee and a separate trial fee that becomes due when the case is set for jury selection, which is a rational structure, since most cases resolve short of trial and clients should not prepay for a trial they will never have. A lower number is frequently the pretrial number. Ask directly: if this case goes to a jury, what is the additional amount, when is it owed, and what triggers it.
Investigators, experts, and who pays for them
An attorney's fee is the attorney's time. It is usually not the licensed investigator who knocks on doors and takes written statements, the forensic analyst who reviews a blood draw, the accident reconstructionist, the digital examiner who pulls a phone extraction apart, or the mitigation specialist who assembles records for punishment. These are third-party costs, billed to the client on top of the fee unless the agreement says otherwise, and on a serious felony they can approach or exceed the fee itself. A quote that assumes an investigator will be retained looks expensive next to one that does not, right up until the investigator becomes necessary.
What the agreement quietly excludes
Read the exclusions paragraph twice, because that is where the second bill lives. Fee agreements commonly carve out an appeal, a motion for new trial, a writ of habeas corpus, a motion to revoke probation filed later, a subsequent bond reduction hearing, an administrative license revocation hearing in a DWI, an expunction or nondisclosure after the case ends, and out-of-county travel. None of those exclusions is improper; they are separate matters requiring separate work. The State Bar of Texas is responsible for the rules governing fee arrangements and trust accounts, and those rules assume the scope will be written down. So make sure it is.
How to ask what the number stops covering
Use plain, sequential questions and write down the answers. What does this fee cover from today through what event. What happens to the fee if the case is dismissed at the first setting, and what happens if it is reindicted. Are investigator and expert costs inside or outside. What is the trial fee and when does it attach. If I am placed on probation and the State later files a motion to revoke, is that a new fee. Which court settings will you personally appear at, and who covers the ones you do not. A lawyer who answers those in specifics is showing you the structure of their price.
The useful comparison is never the two numbers side by side. It is the two scopes side by side, with the trial question answered, the third-party costs placed on one side of the line or the other, and the exclusions read out of the paperwork rather than guessed at. Done that way, the cheaper quote sometimes stays cheaper, and sometimes it does not, but the choice is finally being made on the same terms.