Our Wedding

Mysellf And My Parterner are havieng s small wedding
With our closes friends and family menbers , we are given a small reception at a friends home we can only invite up to 20 people we arre inviting many more to the curch should we enlose a renponse card to everyone or just the people we want at the reception . Should we send a tank you car to all guest or just the people we get gifts from , we are paying for everything no help from anyone even a small wedding such as ours is costing alot of money . Any advise