For shopsPick a treat from a shop near them. Say when you'll be there. Suddenly it's not a maybe, it's Saturday.
A scoop, a coffee, a pastry, from a real shop near them.
Write the note, then pick a time you’ll both be there.
They unwrap it, show the code at the counter, and you catch up.
That door is the whole point. The treat is the excuse, the note is the gift, and being in the same room is what you actually wanted.
Most treats are covered by the shop. They'd rather buy you a coffee than buy an ad. Some you pay for yourself, and you'll always see which before you send.