Favorite Build Challenges? Best Building Tips?

Along with the ongoing build challenges here on the forum like the @luckyheather biweekly challenge, one room one week one theme room builds (a great challenge to start with since it's a room), tiny house challenge, build n share, starter homes, and affordable family housing, you can check out some challenges here: https://withlovejulien.com/2020/05/26/sims-4-build-challenges-and-more-may-june-2020/