Wikipedia says a 1U CubeSat would run around $60k USD<p><a href="https://en.wikipedia.org/wiki/CubeSat" rel="nofollow">https://en.wikipedia.org/wiki/CubeSat</a>
Define “space”. Up and down, orbit, to the moon, etc. For some definition of space, a helium balloon could suffice.<p>Also, mass may affect cost. What does it weigh?