If you're new to building or furnishing and not sure where to start, search up home floor plans! Often these include not only rooms and doors, but also show where furniture should go and it can be great inspiration. If you have social media, there are plenty of accounts and pages you can follow too that will post similar things - some are even coloured renders or detailed drawings rather than just a flat image. Watch YouTubers, find your fellow simmers on the internet and see what they're making.
And don't worry about how the roof looks. Trust me, you're not going to see it often when you play and everybody struggles with those.
EA Staff
