If you bought LW Pro then talk to LW customer support. This forum is independent of the LW org. This is a forum & we are volunteers. FYI I do know the LW policy is try before you buy. There's a free version to try out to sort out any small problems if there's any, before considering buying pro.
Have a look at
To continue files downlding (click on link) & see all the off-shoot links, such as those about optimising & see other tips & skills of using LW. I hope they can be of help to you. Sources is what you've complained about. Finding & managing sources is a part of the skill of using LW. The LW search function can help you find more sources remembering people go on & offline all the time, & free slots become available from time to time for the high speed users who upld. Some of these high speed users may have a very large no. of upld slots so their bandwidth gets shared around & ends up some users actually get smaller speeds to downld from. And some high speed uplders are miserly in what they offer for upld bandwidth or open slots. If they don't have any slots open then you're put into the busy position or just won't connect with them. This also applies to browsing.
If you think the forum is a circus then here ends my help. We or I don't have to offer suggestions to anyone. I try to help that's all.