Hi folks!
I've been lurking around here for a couple weeks to come up with a plan on camera-ing up my house. I'd like to run it past you folks for comments/suggestions/etc, as more eyes are usually better on this sort of thing. Before any of you mention it, yes I have ready through the
wiki, quickstarts, and a whole lot of other super helpful posts - thanks for them!
History, context, and main aims:
By day, I manage an information security engineering team for some company. By night, I conduct physical penetration tests and teach folks all about flaws in physical security (picking locks, etc) to advance general public knowledge and other security specialists. I bought my house a number of years ago and have been waiting for wireless/cloud camera systems to catch-up technology-wise with traditional surveillance systems before going all out on some solution. I have been getting more and more impatient and bought a 5-camera Arlo Ultra 4K system a number of months ago to see if we have hit that point or not. As you all already know, we are not there yet.

The lackluster motion detection trigger system with large delays until a recording starts was pretty horrible. Well, I returned that stuff back to Costco and decided to give up and do things "the hard way".
My main goal here is to cover entry points and have decent footage to look back on in case of an incident. It'd be nice to get good alerting and visibility over the house when I travel too. I am not really going for complete 360° coverage of the house or a true set up like I recommend corporations do with always having at least 1 camera in view of another camera. This system isn't going to be cheap, but I do have some reasonable budget.
I am not in a big rush to get this project done, but I probably want to take advantage of Black Friday/Singles day deals to make a lot of these purchases and save some money.
Installation:
All cameras will range approximately 9'-11' high. I know that folks recommend <8' for proper identification, but I plan on doing all the wiring myself and I am going to have a hard enough time going from the outside into my attic. I'll mostly be drilling horizontally straight into the edges of my attic from the outside and then doing my best to get that cable to a place I can reach inside the attic, through a bunch of small areas that I will likely be swearing at later, and around what seem to be an excessive amount of trusses. Tops of heads, here I come, but it is better than nothing.
Most cameras will likely be under the rafter tails/eaves of my house. They look like this:

This seems a bit difficult, as I don't have a flat soffit to mount on top of. I am hoping that wall mount brackets on the inside white 2x6 will work well enough and also provide that straight-drill into the attic. From what I can tell from my adventures in the attic yesterday, this seems to be the case, but I won't know for sure until I start drilling. For the cameras in my back porch and entrances, things will be much easier with me just going through the ceiling.
Camera explanation:
So far, all cameras are likely going to be the Dahua
IPC-T5442TM-AS models. Firmware and current batch quality-issues aside, they seem to fit what I am looking for as far as low-light performance goes with higher daylight quality than the 2MP Starlights that have been recommended for years. Unfortunately, they aren't varifocal, so hopefully this all works like I expect it to... I am certainly open to alternative suggestions though. Additionally, there are the models with LEDs, but I am not really clear on the usecases where those would win out over IR or motion-activated lights.

(colors are just to help identify individual cameras instead of seeing a sea of blue)
1: 2.8mm meant to capture driveway and walk to side gate.
2: 2.8mm for front entryway capturing entrance and packages left in entryway. May be mounted 90° for better view of what is important.
3: 2.8mm for guest entrance and entrance into side-turn garage
4: 2.8mm for walk to entrances and front courtyard
5: 2.8mm for backyard or people hopping the fence
6: 2.8mm for back entrance (sliding glass)
7: 2.8mm for another angle at back entrance and back porch
8: 6mm for entry from side gate and entrance into side garage door entrance. May be mounted 90° for better view of what is important (narrow, but long).
9: 6mm for view of approaching vehicle and foot traffic
10: 6mm for view of approaching vehicle and foot traffic (other direction)
11: 6mm for view of side yard. May be mounted 90° for better view of what is important (narrow, but long).
12: Not pictured. I might look at getting a doorbell camera too, but am on the fence, as getting the cable down there would be rough if i try to go through the wall. Maybe a IPC-HDBW4231F-AS too.
Network:
Covered here for completeness, but this is likely the area I need the least amount of help with. All cameras will go back to my network closet
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plugged into a managed gigabit >15-port PoE+ switch. Model to be determined - I need to see what I have, what friends have, and what is on ebay.
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which will go off of an ethernet port attached to some small form-factor PC. I am looking at a few options from some mini-ATX/small form factor systems I can get for free, to small Zotac Mini PCs, to an HPE ProLiant MicroServer. I'll be throwing Windows on the system and probably testing out a few software suites, though
Blue Iris definitely seems to be the thing this forum prefers. I'd prefer something smaller and low-power even though it'll be running next to a number of other 1U and 2U power-chuggers. Yes, I've read
Choosing Hardware for Blue Iris .

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...connected via another NIC to the rest of my network. This would even be a write-up much longer than this post will end up being, but needless to say, there will be some complicated firewall rules and integrated into existing VPN architecture access.