OP, look up PMMA injection for girth. In particular Dr. Casavantes (I’m not sure how good other doctors are, but his results are nice). I can PM you a link to a forum of guys who document their operation and their gains. They also actively discuss how their lives are affected post-op.
Its an injection not an implant, so it is much less expensive. The gains are huge. There is no downtime from work, and from what I’ve heard the recovery is quick and painless. The downside is it takes two or three sessions to get achieve the ideal shape.
The silicone implant for girth is a terrible idea. I have only heard of a few operations that weren’t a disaster. The guys who didn’t end up scarred, shorter, and in pain still wanted to take them out anyway. They just don’t feel like a real penis.
Using a spacer to prevent retraction after severing the fundiform and suspensory ligaments is pretty popular. I think the key to experiencing big gains from a lig snip is the post-op hanging, though.