For multi-file projects the package subfiles has a lot of advantages over just using \input, namely it allows each file to be compiled independently, allowing faster iteration on chapters. Tutorial: https://www.overleaf.com/learn/latex/Multi-file_LaTeX_projects#The_subfiles_package
For multi-file projects the package
subfileshas a lot of advantages over just using\input, namely it allows each file to be compiled independently, allowing faster iteration on chapters. Tutorial: https://www.overleaf.com/learn/latex/Multi-file_LaTeX_projects#The_subfiles_package