Outdoor surveillance cameras without subscription and hiding neighbors

Our electrician told us that Wi-Fi would be sufficient.

Is this the same electrician who installed power but no LAN for the cameras? People who know about networks are very, very few!

What does the planning for the WLAN actually look like? Are access points distributed in the house at the right locations or just the electrician standard in the form of a Fritzbox in the electrical cabinet? Without a really (really really) proper WLAN coverage, you don’t need to think any further when it comes to cameras with usable resolution.

Are access points distributed in the house at the right places or just electrician standard in the form of a Fritzbox in the electrical distributor? Without a really (really really) proper WLAN coverage, you don't need to think further about cameras with usable resolution.

We have 3 access points distributed in the house.

Eufy can also be interesting cameras have 2K so high resolution and with light or floodlight

They are also without subscription and local