Business. There's always business jobs.
No matter how much things are automated, things like sales people, marketing and strategy is still done with people. People analyzing, people negotiating, people coming up with ideas. There are never black and white answers no matter how good all the system tools are. That's where people come in to make decisions.
Another business route to go through is financial..... banking, insurance, mortgages, accounting, corporate finance type stuff.
The types of business jobs NOT to get into are all those admin and clerical jobs where automated systems can process things fast and accurately. There will always be some admin staff, but not like the old days where big companies would have floors of paper pushers.
Anything to do with logistics/transportation will always be in demand. Unless someone comes up with a way to do Star Trek teleportation, companies need trucking companies to do the deliveries. Companies are going leaner too, so they are preferring to outsource to transport carriers than having their own fleet of trucks.
Transport carriers are extremely fragmented. There's so many companies and independents, that it should be easy to crack into even if someone starts small doing day service deliveries in a van, as opposed to big 18 wheeler deliveries across the country. Not everyone uses Fedex or UPS for fast deliveries.