Affordable smooth, wet nib pens? ≤$150

Preferably under $150.

The cheaper, the better. Especially if I can try out a few different brands or models.

My current favs in order are:

• HongDian N23 Year of the Rabbit long knife
• TWSBI Diamond 580 <M>
• BENU Briolette <M>
• Pilot Kaküno <M>

I have a bunch more pens that are just okay. They're fine. They mostly just sit unused in storage while I enjoy my wetter writers. They almost definitely need tinkering and I've barely gotten into that side of things, but it may be my best shot at making my inexpensive pens work better for me.

Regardless, I'd rather just buy them ready to use. So please, give me all of your suggestions!