Does anyone have suggestions on staying private that my mom could easily follow?

Ideally integrated into the device that provides wifi, e.g. openwrt or dd-wrt running openvpn, and then get a monthly vpn service provider - always on at the local router level, for all of her devices.

I'd think not using the ISP's DNS server would be a good start. Either find one somewhere else or run your own.

Does this even help? Are DNS requests encrypted? I had thought that they were not.

They aren't.

algo[0] doens't require any client software so maybe set that up on her computer and she'll be set?

0.https://github.com/trailofbits/algo

Do you provide a SLA? I'd really like to get an uptime guarantee before migrating my booleans to your platform.

We will provide a detailed migration path from legacy boolean systems.