The handling is not complicated. Once you feel confident you’ll surely cut yourself though:) But the blade needs more care, you need to leather and occasionally hone it - but you might probably need a single one for life

Check out the adjustables as well!

Get a Merkur adjustable, they are a bit pricey, but you have to buy it once. Alternatively you can get an old Gillette from ebay. From there, blades are cheap. You can go all the way and get a cutthroat, but it needs technique and care. DE is a good compromise.

Japanese double edge blades, they cost 2-3x more as others (roughly 1USD per piece), but they are the sharpest ones on the market. The only complaint you can find is that they are maybe a bit too sharp