by having each domain as a parked domain - won't that negatively impact seo for each country domain ?

is addon not better from an seo perspective ?

can multisites not work with addon domains

Yes, you will be able to share database contents.
But note that domains won't have same files, so i.e. image from site A won't be loaded in site B, you will need to manually copy article image for all sites.

will mightsites work where the additional sites are 'addon domains' instead of
parked domains ?

I have 1 main continent site and 10 country sites each have their own domain.

By adding the country sites as parked domains - will that not impact seo ranking for each country site ?

... Boston.com, Miami.com, Monaco.com. Tokyo.com Etc Manhattan.com, Boston.com, Miami.com, Monaco.com. Tokyo.com - these domains should be parked on top of Masterdomain.com, so all sites will use same Joomla files. 2.Will the JReviews component work found here @ http://demo.reviewsforjoomla.com? ...

... so they don't have to come up with their own "articles" and chiropractic news, etc. That's possible but super admin should create a parked domain in hosting panel and next create a site in MightySites with cloning a database from a sample client's site. 2. That same client needs ...

Thank you for a great component and your unparalleled service! I have recently purchased the component and have two sites set up using the Parked Domain configuration where I have the slave site created in the master site (to share folders and files for shared components) but using for the ...

Yes, you can setup parked domains m.domain1.com and tab.domain1 for domain1.com, so all 3 sites will use same files.

I want to have m.domain1.com and tab.domain1.com for domain1.com to have mobile and tablet versions so domain1.com is master and m.domain1.com and tab.domain1.com are slaves. can I do that?

I think that's possible, but please also ask your hosting provider if these domains will work.
Not really sure if cPanel allows to setup a parked domain for subdomain.