No
Well i just transferred my rayquaza from my Pokemon ruby version and he was lv.98 when i faced red, so if you have a Dsi or dSixl, good luck with that!
No, it won't be available from the DSi store, you'll have to get the cartridge version instead.
you cannot rent any Pokemon in red version
no.
Yes.
rock smash isn't in Pokemon red version
No, Pokemon Black and White are compatible with all versions of Nintendo's DS line.
No
no
You can't, you can only do that on Pokemon yellow version
Red version was not made to migrate with emerald.
No!