Therefore after this season we can really see him signing for a Saudi Arabia team. It would be really sensible for Liverpool to sell him like that while they can make a lot of money from his transfer fee. Saudi Arabia teams are already eager to splurge on these stars.
The amount of money that these Saudi teams are ready to spend is absolutely ridiculous, they don't even mind that they are spending this money on players that are above 30 years of age, i'm pretty sure if Liverpool had a competent replacement for Mo Salah, they would have sold him to this Saudi team and made quite a lot of money, but they can't sell Salah right now, or else they'll have another terrible season like last season.
Having said that, we can't really be sure if they'll come for Salah next summer, it all depends on a number of factors; it'd be interesting to see how far the Saudi league will come by next summer, they have great stars in the league right now, they should have a very competitive season ahead.