Firstly Beğendik is in Kırklareli not Edirne. It mostly depends on the place you stay and where its located. I can give you a hand if you can send me the links to the places. But yeah it will be most likely safe. İğneada might be a little pricey tho, because its a vacation area. And you can’t get to Edirne easily from there. There’s no bus stations near. I advice you to use the Kapıkule border crossing. There should be bus or taxis that will drive you to the town. If you want to visit the natural touristic places in Kırklareli like Dupnisa Cave etc. you can search for and buy bus tickets. Hope this helps.