If the person who writes your thesis is of high level and strong strength, the cost of writing your thesis will be very expensive. Without a few thousand dollars, others will certainly not help you write. Because you can think about it, if you let someone else write a paper, it is equivalent to paying someone else's time to write it for you.
This person has a very high academic level. Then, with his ability level, he must have sent a lot of papers. Since he can send so many papers, his identity, position and professional title have reached a relatively good level, and he certainly won't say that helping you write papers is so little money.
So some writers you see on the market at present are basically. The level will not be particularly high, then they may write for you and for yourself, which is the same as copying and pasting. It would be even worse if we found some ghost writers. Because most of them will be given to you one week before your defense, such as the opening report or graduation thesis.
Then if the quality of their writing is poor at this time, you need to revise it yourself. Then this time will be very urgent. At this time, if the quality of their writing is poor, you still need to rework it, and you have to spend time to revise it yourself, so this is the most feared thing, that is, you spend money again and get a paper with low quality.