There are some issues of MacBook are unavoidable, but you could take the following measures to lower the risk.
Regular maintenance: Cleaning the inside of the MacBook and perform thermal paste replacement, to lower the risk of components get short-circuited caused by dust. We provide cleaning and thermal paste replacement service for $350, it takes around 1-2 hours.
Use original or certified accessories: Counterfeit and low-quality USB-C accessories may short the high-voltage power rail with the low-voltage signal line, it may damage your MacBook and could making it not powering on in some serious cases.
Backup regularly: Backup important data and file regularly, to avoid loss of data during hardware failure. We could not guarantee the success rate of data recovery services.
Handle properly: Handle your MacBook with care, avoid too much force or drop, to avoid physical damage.