Home Goods and TJ Maxx have a selection of curtains/drapes (what’s the difference actually?) with grommets at pretty affordable prices - the thick, secure grommets. You can get a pair for under $25- you might need a couple pair for your window size but for under $10 you can probably get a rod if you need it and 2-3 pairs of curtains/drapes. Not too much of an investment if you want to try that out. Obviously just don’t get something too sheer!