how to get all nbc and fox sports networks?

Having those channels doesn't mean you get the games. There are restirction.

If you are in Choice and above, you get the Regional Sport Networks (RSN) for where you live. www.directv.com/rsn

Out of market professional games would require the corresponding seasonal subscription (MLB Extra Innings, NFL Sunday Ticket, NBA League Pass, NHL Center Ice, MLS Direct Kick).

You can get over 35 RSN and specialty sport networks with the Sports Pack, but professional games are blacked out if they are out-of-market. This is more for college sports or regional events. https://www.directv.com/sports/sports_pack

The Sports Pack is $13.99, or less if you have any other premium packs (i.e. HBO) as they bundle together. The Premier package includes all 5 premium packs.

As for regular national sport networks, ESPN, FS1, etc. you just need to be in a high enough package for which ones you want. You can search specific channels on their lineup. https://www.att.com/channels/directv/

Here are the different DTV channel packages, which may help you choose or change:

https://www.tvchannellists.com/List_of_DirecTV_channels#:~:text=SD%20HD%20Network%20200%20DIRECTV%20Cinema%20Previews%20201,202%20202%20CNN%20203%20Look%2095%20more%20rows 

uh small problem, what do i do now? im trying to get them all, like do i call em and ask "hey can i get all of the nbc sports and fox sports networks?" and how much will it cost?