If you're thinking about getting some help, there are services out there, but you've got to be careful to pick a good one. Start by doing a bit of detective work. Look for services with good reviews and check out their website to see if it looks professional.
It's also a good idea to see if they have any samples of their work to show. You want to make sure you can communicate easily with them, and that they promise their work is original and plagiarism-free.
Also, check out their revision policy. If you're not happy with the work, you want to be sure they'll fix it for free. And of course, make sure their prices are reasonable and they can get the job done by your deadline.
Some well-known services are CustomWritings, DissertationWritings, and Pro-Papers, but definitely do your own research and maybe ask around for recommendations.
Just remember, your school might not be cool with you using these services, and writing your own dissertation is a great way to learn and grow.