Any advice for changing my head unit in my car by myself?

For The Car Audio and Video beginners to enthusiast to everything in between! Heads, Subs, EQs, etc... Bring it into our show room. Q&A, Advice, Tips, tricks and tech welcome! If you are new to the hobby, you can subscribe, post and view our wiki for basic starting information. If you are a long time veteran, feel free to use this as a form to discuss with other like minded enthusiasts.
What head unit would you guys recommend for my '12 Honda Civic?

Created by Honda Enthusiast. All Things Civic Related. Pics / Videos / Stories / Advice & More!
It was so hot today, this candle next to the window melted

Aww, cripes. I didn't know I'd have to write a description. How many words is that so far, like a hundred? Soooo, yeah. Mildly interesting stuff. Stuff that interests you. Mildly. It's in the name, ffs.
Should I buy this 2012 Civic LX?
A subreddit for all things Honda Civics. Whether you need advice or want to show off your ride, this is the place for you.Guys, would you buy this? Or should I look the other way?
Car model advice and general buying discussion.Is there a way to bypass the paywall for a Carfax or other services records?
Car model advice and general buying discussion.Guys, what is that?

Hey gang, Welcome to the Subreddit of Hollow Knight: Silksong. A Metroidvania, action, platformer and the sequel to Hollow Knight! Here you can post everything Silksong! Release date: 2025 Bait used to be believable