Try googling some of the sites that review the titles you would like to try. I do that before purchase and have found them to be a great help in choosing.
Other low/no cost options - most public libraries have videos so you may want to look there. Our Ross often has low-cost videos for working out ($4-$12). Can you exchange videow with friends? What about classes at the local recreation center (also a great way to make friends)? Ours has Zumba, bellydance, water aerobics, etc.
Not with you on the heat - I prefer to run in heat rather than cold! I do check the pollen counts and exercise inside if they are too high.
The only restrictions any of us have in life are those we place on ourselves.
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