First off, congrats on entering the wonderfull world of making some $$ in private practice! 👍 As for porcelain inlays/onlays, frankly I rarely do them. Here's why I choose to practice this way.
#1 If I'm seriously considering treatment planing an inlay and especially an onlay, I'll often go right to a full coverage crown. Yes its more aggressive, but it's definately easier to prep and temp, and after having been in the business a few years now, I'm seeing a higher rate of seocndary decay around the inlay/onlay than with a full coverage crown - so I've had more than a few 5 year old inlays/onlays that I've then had to go and do a full coverage crown on, and to me thats a bit inefficient.
#2 I'm lazy in a sense, and this relates a bit back to part of reason #1. Lets be honest, temporizing an inlay/onlay is often a beast, and then more times than not, the temp will need to be recemented multiple times while the restoration is made, or you end up having to cut the temp off, all the while hoping not to "wound" your prep, thus leaving you a situation where your depending more on the resin cement, and less on your prep to keep things bonded. Often if I'm in a situation where I'd consider an inlay, I'll end up placing a direct composite, and if I'm considering an onlay, then my first preference would be a full coverage crown, followed by a "big 'ol composite"
#3 Cementing the inlay/onlay can be a pain in the A$$. Even with the glue stick applicators to hold them as you transfer them from your assitants pad of cement into the prep 😡 Some of this is I'm a big guy(6' 3"), with big fingers (XL gloves are a bit snug on me), so holding a little inlay and properly positioning it into the prep all covered with resin cement isn't the easiest thing for me to do. Hey, I'm being honest with you about this one
Just my opinion, and I will say that in the PROPER patient with a good lab tech doing the work, they look great and can function for a long, long time. On that esthetic note, by far and away, the best looking ceramics Ive seen (and the lab tech I use who'll come to my office to do custom staining as needed and sees a ton of porcelain work will agree) is IPS EMPRESS. In lighter shade teeth (Vita A2 or Vita 3-D 2M2 or lighter) and especially anything needed restoration with a high degree of translucency, this porcelain in the hands of a good lab tech looks absolutely amazing (I'm talking patients can't stop raving about it - and you - to their friends)
for joining this mega practice recently. The owners of the clinics (own 3) are fantastic clnicians AND very good businessmen. Their organizational skills are phenomenal. I have come to know many dentists and practices over the years and I must say, these guys truly impress me. 
