Regarding Affordable Short Term Summer Housing
Due to high summer demand (not to mention a severe housing shortage) I highly recommended considering "extended stay" housing options especially for accommodation of 90 days or less or if you are working on a strict budget and time frame.
I have set up a special affiliate link which may help you find affordable housing accommodations at Booking.com here.
Note that while apartment rentals may see cheaper on the surface they may actually come out to cost much more in the long term. For example, you will still likely have to pay applicable fees such as any security deposits and brokers fee, and you'll also be subject to the same qualification process as a regular tenant.
Of course, if you're flexible and don't mind a little negotiation, I'm happy to help and you are welcome to scroll down and set up an appointment to speak with me.
Sorry for the inconvenience.