After reading the title, you might be saying I'm crazy and wondering if I am lying or telling you the truth. Well, I don't blame you, it does sound crazy, but I am telling you the truth. If you don't have any bees, or have an indoor plant that needs pollinating, just buy a paintbrush. To pollinate without bees you first have to of course, grab the paintbrush then, rub it on the flowers you wish to pollinate. The paintbrush will grab some pollen and rub it off to the other flower, allowing them to pollinate. This happens because of the tiny bristles that make the pollen stick. Now instead of the bee being the pollinator, you are! I recently did the technique to my rosemary plant, and in about a week or so, they were sprouting so many seed pods, it was crazy! If you don't have the time to use a paintbrush and hand pollinate it, you can shake the plant which will release the pollen and hopefully pollinate.
Also, pollinating by hand has a lot of benefits such as having a purebred seed. (as long as you pollinate with the same plant) You can also, do this to mix up the genes a little bit and mix up the kinds. Allowing you to breed to your own taste. Happy pollinating!