This study aims to determine the various obstacles experienced by teachers in the learning process during the spread of the coronavirus. This research was conducted at SMP Negeri 7 Budong-budong, because the position of this school is far from the center of Central Mamuju Regency. To obtain more detailed information about the research topic, this research was conducted using a qualitative approach with a case study method. There are several techniques used in collecting data in this research, namely observation, indepth interviews, and documentation studies. At the interview stage, the researcher collected information from 3 teachers who were considered capable of providing valid data according to the research topic. After the data is collected, then the data is analyzed using the data analysis method of the Miles and Hubermen model which includes data reduction, data presentation and the process of drawing conclusions. From the results of the study, it was found that several obstacles were faced by teachers in the teaching and learning process during the covid-19 pandemic, namely: 50% due to the lack of infrastructure (for example smartphones, computers, internet networks, etc.), 15% due to lack of support from people. parents or guardians, geographical conditions that sometimes make it difficult for teachers to get to school as much as 15%, 10% because of the ability of students who are still lacking in understanding learning and 10% due to boredom experienced by students during the covid -19 periods. In addition, to adjust the teaching and learning process during the pandemic, teachers at SMP Negeri 7 Budong-budong carried out several learning methods such as group system learning, online learning, and learning using modules.

Penelitian ini menghasilkan produk berupa konten mata pelajaran sosiologi yang dikembangkan kedalam berbagai format yaitu visual dan audio-visual dengan memanfaatkan media sosial Instagram. Pengembangan ini dimanfaatkan untuk mendorong peningkatan kinerja belajar peserta didik dan menambah media belajar yang variatif terhadap mata pelajaran sosiologi. Penelitian ini menggunakan tahapan model Dick and Carey, yaitu Asess  Needs to Identify goal(s), Conduct Instructional Analysis, Analyze Learners and Contexts, Write Performance Objectives, Develop Assessment Instruments, Develop Instructional Strategy, dan pada tahap ketujuh, Develop and Select Instructional Materials menggunakan model pengembangan ke dua, yaitu Decide, Design, Develop and  Evaluation (DDD-E). Nilai rata-rata yang diperoleh  sebagai berikut: Ahli materi sebesar 3,84 kategori sangat baik, Ahli media pembelajaran sebesar 3,65 kategori sangat baik, sedangkan nilai rata-rata dari hasil uji coba one to one adalah sebesar 3,4 kategori sangat baik. Hasil tersebut menunjukan bahwa pengembangan konten di media sosial Instagram pada penelitian ini dapat memfasilitasi peserta didik mempelajari mata pelajaran sosiologi.

One of the mu'amalah phenomena in the economic field is buying and selling transactions that use electronic media, technological developments have spurred changes in individual habits including one of them in terms of buying and selling transactions. If in the past what was meant by buying and selling transactions had to be carried out face to face where there was a direct transfer of goods from the seller to the buyer, that is the buyer had to meet the seller in the real market. Judging from the type of research, there is also the type of research used in this research, namely bibliography research or library research, which is research that is carried out by collecting information or making objective records that mean the object of research or collecting information that has the character of a bibliography, or analysis carried out to unravel a problem which is basically based on critical and in-depth analysis of relevant literature materials. This research results that in online sales it fulfills the pillars of the contract in accordance with the rules of fiqh. As is well known, there are four pillars of contract, namely: (a); there are contracting parties; (b) consent and acceptance; (c) the object of the contract; (d) the main purpose of the contract is carried out. Keywords: Hadith, Online Buying and Selling, Islamic Perspective