Resources
Tools: choose few, learn them properly, and check what you already have
Researchers spend more time evaluating tools than the tools ever save. Most needs are met by a small standard set.
#version control
Resources
Data & Metrics
Reproducibility: could someone else get your number from your data?
Most published analyses cannot be reproduced from what was shared — usually for want of documentation rather than secrecy.
Resources
What to set up early: five things that pay off for a whole career
A small number of things set up early save a great deal of work later. Most people discover them after they were needed.