Below is the list of the best cordless tools combo kits I will recommend, and I have categorized them for their number of tools in a set and have recommended them concerning the best value for money. All of these tools are of high-quality professional grade. Click on the item in the list below to quickly view the one of your interest.
Combo Set of 2 Tools: Impact Driver + Drill Driver (Professional)
A combo kit consisting of a cordless drill and an impact driver is one of the most recommended set. This set will work wonders. You can also use simple sockets to convert an impact driver to an impact wrench.
Combo Set of 2 Tools: Impact Driver + Drill Driver (Budget)
I am also recommending these three sets which are great value for money and you can get them if you are just getting started.