Nothing like watching your meter go backwards.

Something you can get started with: what do you have in the way of utility space? You'll need space.

An inverter is noisy. They are getting better, but they hum. Always.

The distance between the DC source and the inverter(s) should be as short as possible. You'll need a chase / conduit from the inverter to the source; and to the meter. Best case is the utility meter very close to the inverter which is very close to the PV source.

The inverters create heat. A lot of it, especially in the summer. They need venting / cooling.

If there is to be a backup system:

Batteries are heavy and full o' acid. Keep that in mind when planning where to put them. The closer to the curb the better. They create hydrogen gas so venting is essential.

You'll probably want a separate electrical panel just for critical loads. These are the circuts you can't live without that will be tied to the inverters. This sub panel needs to house the breakers for circuts like furnace fans, critical rooms, smoke detectors, a 'fridge, etc. (Leave out the electric oven and the air conditioner and you can't be tempted to suck your batteries dry.) This electrical work could be done before you ever invest in a system.

Does your utility company do net metering? Find that out first.

There are a bunch of places now that are offering classes on residential PV-generator-wind systems and their installation. The idea is to create a certification program for this growing industry. Might be something to look into.