It all depends on what type of inverter https://earthlings-podcast.castos.com/episodes/s2e5-electrification-the-smart-home-upgrade you want to purchase initially. For example, many experts now advise buying hybrid inverters that can operate both from solar panels and from the network. And this is very cool, profitable and economical, even if at first you have to overpay a little. In addition, always look at the power and brand, whether there is a warranty. Do not forget also that now you can find mini-inverters on sale that may also suit you.