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How does that solve the issue?  You still need an ISP.  Am I missing something?

this was to solve the overloaded WiFi issue
I have so much on wifi now, do I trust adding more? 

Went to Comcast last evening and returned all my equipment. I'm now at $55/month for internet (up from $30 with the bundle). They offered me to keep basic cable and internet for $55/month - but the catch is you still have to pay sports and broadcast fees, and all the other fees for the fees and crap. 

I declined and went internet only. I have the blast, which gives us 100MB/sec and all that. I guess that's good.

So, with internet and DirecTV Now I'm at $105/month (actually $80/month for 3 months due to the DirecTV Now promo).

I'll keep tabs on the stuff moving forward, but as of today I'm paying half of what I was paying.

Apparently if I buy my own modem I can save another $11/month in Comcast rental fees. I'm going to look into that.

Well , most modems are fine as long as they're DOCSIS 3.1.

If you're a Costco member I believe they sell a good one. 

Also be aware that the one you rent from Comcast is likely a "gateway", which is basically a cable modem AND wifi/ethernet router in one. If you don't already have your own router, you might need to buy one in addition to a modem. 

I'm not sure which modem Comcast supplies but Cox uses the ARRIS SB6141, I bought a higher spec SB6190 and it works perfectly.  It also is recommended for Comcast Blast.  With 32 channels download and 8 upload, it has a theoretical download speed of 1.44GBs which is way more than I need for my 75MBs connection.  The main thing is that it is rock solid, never reboots or hangs up.
This is a modem only, you would need to supply your own router.  i used the Netgear Nighthawk AC1900 and it is a great performer. This was a top end router when I got it about 16 months ago and it is still pretty advanced by today's standard.  It covers my whole house easily and handles DHCP for a large number of devices.  Some of the lesser routers I tried got flakey after 5-10 devices.  I configured the QOS to prioritize streaming video and I have not had to touch it since i set it up.
Buying separate modems and routers are a bit more expensive but they tend to work better and it is less expensive to replace one of them than a combo unit.  For instance if you get an ISP that has gig fiber and supports Docis 3.1 sometime in the future you could just replace the modem.
My Cox internet is expensive at $79/mo for 75MBs but it does give an honest 75MBs down and has only had 1 interruption in the time I've had it.  That is critical since i work from home over a VPN.  We've not experienced a speed issue and all our devices connect via Wifi.

Just a reminder that there's a big difference between MB/s and Mbps. 

Went to Comcast last evening and returned all my equipment. I'm now at $55/month for internet (up from $30 with the bundle). They offered me to keep basic cable and internet for $55/month - but the catch is you still have to pay sports and broadcast fees, and all the other fees for the fees and crap.

I declined and went internet only. I have the blast, which gives us 100MB/sec and all that. I guess that's good.

So, with internet and DirecTV Now I'm at $105/month (actually $80/month for 3 months due to the DirecTV Now promo).

I'll keep tabs on the stuff moving forward, but as of today I'm paying half of what I was paying.

Apparently if I buy my own modem I can save another $11/month in Comcast rental fees. I'm going to look into that.

I think I missed it, what are you using as your streaming device?  Did you do the Amazon fire stick, or something else?  As you're keeping tabs, would love to hear your (and everyone else's) opinions on the various hardware devices, as well as the streaming service they access with it.  From various anecdotal accounts I've read, some services tend to work better with some hardware, and not as well with others.  Makes sense, as the streaming services tend to provide app developer toolkits to the hardware manufacturers, which then receive varying levels of commitment (presumably based on other agreements between the various companies).
From my perspective, I've been pleased with the various streaming services (Amazon, WatchESPN, and Sprectrum App) using my Roku Express hardware over my Spectrum broadband internet.  The Samsung SmartTV native apps are ok but somewhat less pleasing.  And any time I'm forced to use the web browser through either of those hardware platforms, it's a fairly unpleasant User Experience.

buy your own trusted WiFi hardware and don't rely on the crap that the ISPs provide).

If you're overloading the capabilities of your WiFi network, whatever ISP you're using is pretty much irrelevant.

this is all true - the vast majority of trouble calls are because of WiFi issues, not the connection of the modem
the new 802.11AC routers are pretty solid.  If you are using only 2.4 GHz there's chance of all devices fighting for space.  More RF interference.  2.4 G is plenty fast for streaming.  The 5G is obviously faster but the large advantage is offloading some of the 2.4 and less chance of interference.
5G doesn't have great range so it's not always great for cell phones and tablets as they can move away from the router and lose signal strength.
the bottomline is that a Cat5E cable is ALWAYS better than WiFi.  I always suggest a cable for gaming consoles