Growing Masdevallia Veitchiana Indoors?

[RandomGemini]

So, I have wanted to try a masdie for a while.

The seller at the orchid show suggested veitchiana as a good plant to start with. I told the seller that I'm a windowsill grower, but when I got home, I realized that the seller is not from my area at all. Where the seller is located, it's much more humid and I've been recommended plants by sellers in Seattle that have not thrived here, because our conditions are not as humid as theirs. I think they forget how far we are from the ocean, and that it doesn't rain here between April and September.

After realizing that, I'm not sure I can grow these where I live... it's not humid here at all, not even outside and for most of the year, I can't leave this plant outside because nighttime temps are below 36 degrees at night, or daytime temps are above 90 degrees. I think there are about 4 months out of the year where I could grow this outside.

Here are my concerns with indoor growing, if you have some advice, I'd appreciate it!

It is currently in a plastic pot with bark. Due to the low humidity here, I was planning to repot this directly into a clay pot with some spag on top of the bark and setting it on a humidity tray. Would it be best to repot it in pure spagh? I have to fight to get the humidity in my growing room to 50%. My paphs are planted in a mix of 75% spagh, with 25% bark with some bark in the bottom of the pot for good drainage. It's the only way I can keep them moist enough that I only have to water them twice a week. I will probably place a layer of spag on the top of all of my orchid pots for the summer, to help keep things moist so I don't have to water as often.

When is the best time to repot these? From what I've been reading, I could go ahead and repot it whenever I feel like it, and I was thinking it might be best to repot it before the warm weather hits, so I was thinking I'd repot it as soon as the current bloom on it drops off.

I was thinking that I could get away with watering less often if I left a little water in the saucer for the pot. Over the summer, this will evaporate, probably on a daily basis, I expect I will be watering daily or very close to it, if I leave it potted in bark, just because of how dry it is here. Will this work to help with humidity and keep the plant's feet moist and the roots cool?

Thanks for any advice you can give!