That depends on what kind of resources do you have in more abundance or are more willing to invest in those projects... You might have lots of ideas and some sp

That depends on what kind of resources do you have in more abundance or are more willing to invest in those projects... You might have lots of ideas and some spare time but not much money, in that case you'd be better off working on some of those ideas yourself (obviously time is a very limited resource so if it's only you, what you can accomplish is limited by the amount of time you can put into it). Or you might have lots of money and very limited spare time (or maybe you want to use the time for something else, or maybe you want to tackle several projects at once and just managing them all would take all of your time), in that case, if you can spare the money, it would make sense to pursue some of your personal projects with some external help...