How to lead a due diligence process?

Where do you start,
how do you divide the work,
how many people do you have on your team,
what software do you use,
what documents do you prepare for the Investment Committee,
how long does the process take,
are you on-site or remote,
do you talk to front-line employees or interview any executives,
do you do channel checks,
and what are common problems you encounter?
To be on the same page, let's talk about this in the context of a technology or a CPG company between $50MM to $500MM in revenue.