Prepping wall panels

Well my dining room is currently a paint shop, luckily I have had no catastrophic paint spills on the hard wood floors but there is always tomorrow-HA!  Anyway, the first coat of primer has been applied.

Tomorrow the 2nd coat of primer (?) or right on to the base coat.  I chose Behr exterior paint for the interior walls (there are no doors or windows on the tree house)so it will stand up to the elements.  I think the one coat of primer & the Behr paint will cover just fine -it better at $27+ a gallon.

Inside the tree house I still have to prep and paint 2 tall panels on the back wall, the loft, the ladder, window frames, and the floor!!!!!!!   Ai-yi-yi I hope my body can keep up!  Stay tuned!