To place a Tent (San Antonio)

I am looking for a piece of lot that I can rent to place my tent with the use of electrify for heater.
Looking in the area Alamo Height.
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if you have a piece of land or lot that you want to rent let me know.
I'm 69 yes old and my son stays with me he helps me cut I'm disable.
Can't walk that good .
Thank you do contact me @ show contact info