One hesitates to consider taking on these dues for areas like Sudden Valley when they do not cover utilities like water, sewer, and garbage and means adding another separate bill to pay.
But the trade off needs to be taken into consideration as to quality of life and enjoyment of a community. Sudden Valley has a security force that will provide rides to your home if high up on one of the Sudden Valley gates during a heavy snow. Sudden Valley provides street maintenance, snow removal when necessary and maintains the secured mailboxes and landscapes common areas, maintains trails like the one around tiny Lake Louise. One has access to the 18-hole golf course, fitness center, marina, pool, tennis courts, dog park and soon a library then several spectacular beach and park areas around Lake Whatcom.
Another community like this in Whatcom County is Birch Bay Village which is the sunniest location in Whatcom County. Dues here are $120 a month. Again this does not cover utilities but you have a lifestyle. Here there is manned security guard 24/7 at the front gate. 900 homes that surround two lakes, 9-hole golf course and has access to a saltwater marina and dock, parks and beach access to sandy, flat Birch Bay beaches and also more rugged Strait of Georgia beaches. You have a pool, tennis courts, clubhouse and a variety of special interest clubs including gardening, wine, creative writing and various sports. Snow removal when needed. There is flat walking and biking all throughout the community and the 20 mph speed limit is strictly enforced. Your home is safe if on vacation or a part timer.
If the larger context of your question is the associate dues value for these types of areas, you have to make the call. Both of these areas have a particular fan base and if one like this type of community then one doesn''t mind the extra expense.