You can try to learn with two speedflash in manual mode (any Canon compatible speedflash can be use) and wireless triggers (I use Cactus V5 and they work fine with my X-T1) with two softboxes for speedflash (from Lastolite with the Easybox model for example) or umbrella (or any another light modifier) and two lightstands . It’s pretty affordable. In my opinion, starting with speedflash in manual mode will help you to understand lightning for a reasonable price.
An another cheap solution will be to find a second hand flash studio kit.
When you are more comfortable and want to persue this kind of photography, you can search for a flash kit from Elinchrom (they are the best in my opinion regarding the quality of the light).
I’m not a studio photographer but I tried a couple of time this kind of photography. I tried with some Godox Studio Flash (workshop), Elinchrom (workshop) and Speedflash (setup at my home). Of course the best result was with Elinchrom.