My parents didn't have the means to help me in any form. Only exception was during the first couple years of undergrad, they were sometimes able to send me $200-300 at the beginning of each semester to help with tuition. Otherwise, I supported myself through 7.5 years of college, including cars and our first house while I was still in grad school.
With our kids, we paid all tuition, fees, and housing during college. They worked summers, internships, and part-time during school for spending money. Once graduated and employed, we bought them each a new car. A few years later, we helped each of them with the downpayment on their first house. They had enough down to get approved, but we added whatever was needed to get them to 20%.
They are now 31 and 28. They each have great jobs and know how to manage money quite well, including saving and LBYM. We were happy to be able to help early on, which got them off to a fast start. This had no effect on our retirement finances. And certainly no effect on their attitude about money.
We had planned for the cars, almost like part of their college cost. It was an incentive to finish school quickly and get a job. The house downpayments were not planned but not a burden at all. I'd much rather help out now, when they are young, rather than inheriting a bunch of money later when they don't need it.