We changed from June 27th to August 7th.
I mentioned online invites to FH and he's totally hooked (we need easy right now!) and getting the last few email addresses that we need. We are also tackling the older people by having their kids or relative rsvp for them - we just made family invitations (Grandma tacked onto the invite for her daughter's family). **There are free sites too - such as Greeting Island - imagine totally free invites and you can change anything for zero cost. Then there's Greenvelope and Paperless post to name a few that have costs. I like Greenvelope's organization but it will cost me about $70; they count per person, not per invite.** Most online sites let you use your own artwork, so you could use any artwork that you want and use their portal to keep everything organized. Bliss!
Greeting Island - the free site. It costs $6 to download and own your own customized copy (without watermark) of their design and you can go back customize it more and download it again, as often as you want - at no extra charge. So invitations can match save the dates. You can then email it, DIY it for those few older relatives or for a keepsake for yourself, use it as an online invite, post to social media ... whatever... 
If my August date falls through I can even make an elopement announcement! I chose Greeting Island for my invitation design (with modified fonts) and Greenvelope for delivery and tracking.
