LOOKING FOR A PRIVATE ROOM, UNFIRNISHED, MEDIUM TO LARGE

Looking for a medium to large sized private room, starting June, July or August for a year or longer, near the public transportation, unfurnished, with shared bathroom and kitchen. One person, female, professional musician, educator, self-employed. No children and no pets. My budget max $800. Preferably with an elevator or on the first floor. I am a quiet, responsible, considerate person. US citizen. I can offer barter in exchange for some discount in rent: English (I am a translator, writer, blogger), German lessons, music lessons of all kinds, I can also pet-sit, take care of your plants, do groceries or something like that. I have a website and you can Google me. US citizen. No partners. I can offer barter in exchange for a rent discount: English lessons (I am a translator, writer, blogger in English), German or music, I can also help with animals, plants, go shopping or something like that. I have a website and you can find me on Google.