If you don't have one, or your PC is a bit older, you can still find a great deal on a SATA SSD. These are slower than NVMe drives but they're still a huge improvement on a traditional hard drive.
I was that pleased with the Crucial BX500 2.5" 240GB SATA III Solid State Drive, and how easy it was to clone my old HDD with free software supplied by Crucial. That I bought a second one.
I do feel that SATA SSDs need to come down in price. They should actually be cheaper than equivalent capacity Olde Worlde spinny hard drives, which they must now be cheaper to produce they need to ...