>>6730743In that case I recommend you to use enamel based paints (humbrol for example), if you are careful you can get great results without the need for an airbrush. The downside is that you will require enamel thinner, since they can't be thinned with water, but trust me it's worth it.
Camo painting is hard, specially with brush, no one will get mad at your for painting a nuclear mirage in plain seagull grey, but that's up to you. Regardless get also Black, White and some kind of metallic silver colors, they will be useful now and forever.
And again, be sure to check what brands are available at your local stores, don't be afraid to ask them they will be happy to help you.
And post your building progress here! That's what this threads are for.