Oh my goodness gracious, what you can buy off the Internet in terms of overhead photography. A trained ape can know an awful lot of what is going on in this world, just by punching on his mouse, for a relatively modest cost. ↗
The advice would be the same for any kind of fiction. Keep writing, and keep sending things out, not to friends and relatives, but to people who have the power to buy. A lot of additional, useful tips could be added, but this is fundamental. ↗
It was really impossible to break through in Russia. We couldn't buy any balls. We really didn't have any courts, no rackets, nothing. And no people to practice with. ↗