We were under the impression it would be similar quality to the P4 but it really isn't. We were not considering the p4 because it looks too much like a toy.
There is value in what your equipment "looks like" in the customer's eye. msinger is right, it's not a toy, it's a very capable craft that just looks like a toy. To mitigate the "looks dept", when shooting in the field, buy yourself a Go Professional or Microraptor HARD CASE. Although I don't like the weight and bulk of a hard case, for commercial shoots it will demonstrate to the customer that you're serious about video equipment. Believe it or not, this cosmetic trick helps with customer impressions when using Phantom 4. When shooting for fun, I use a Think Tank Helipak backpack for convenience, light weight and long distance hike-ability.
P4 is a great place to start. After you get good at flying (you sound like a novice), and you have flown for 6mos and haven't crashed, then consider an Inspire, assuming your business is thriving by then. That craft can produce silky smoother videos and is more tolerant to wind. It's also better at high speed flying while capturing video, such as chasing cars or motorcycles, etc. The props won't be in the view as much at high speed, vs P4. Also, by then the
Inspire 2 will be out.
Please realize, the Inspire is a bigger craft, not exactly convenient, taking longer to setup and break down for storage. But it does look professional, and will produce very nice video. The X5 camera is awesome, nobody else has anything like that in this size of craft, nobody.
I suggest you listen to
DroneVibes.com podcasts. There are several of their podcasts that talk about
this exact subject. One of the guys in the podcast, Petr, is a professional videographer with his 333 exemption (needed for US commercial work), etc. For most of his jobs he uses Phantom 4 or Inspire (he also has S900 with GH4 camera), and picks the appropriate craft for each job. Each job is priced out differently, depending on the customer's needs and cost goals. When a shooting a commercial for TV, or a wedding, he'll use an Inspire (sometimes S900). For the wedding Inspire is needed because it makes less noise than P4. For the TV commercial the Inspire produces the higher quality with his X5 camera. For real estate, or construction, or indoor shoots, he'll use the Phantom, because they customer doesn't want to pay as much, and the video the Phantom produces is often acceptable. Inspire is too big for most indoor shoots. He'll use prop guards on the Phantom when indoors, just in case, not possible with Inspire.
Both craft use the same GO app, that's a big convenience to have commonality between the two craft. Eventually if you get really good you can look at the new M600, a high end craft from DJI using the same app, it's way more money though. DJI is way ahead of the competition for professional videography, but like anyone in this business, they do have a few warts to contend with.